2261231110037 has 4 divisors (see below), whose sum is σ = 2339204596620. Its totient is φ = 2183257623456.

The previous prime is 2261231110009. The next prime is 2261231110049. The reversal of 2261231110037 is 7300111321622.

2261231110037 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 678249426481 + 1582981683556 = 823559^2 + 1258166^2 .

It is a cyclic number.

It is not a de Polignac number, because 2261231110037 - 2¹² = 2261231105941 is a prime.

It is a super-2 number, since 2×2261231110037² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 77973486553 = 2261231110037 / (2 + 2 + 6 + 1 + 2 + 3 + 1 + 1 + 1 + 0 + 0 + 3 + 7).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2261231109991 and 2261231110009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261231110007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38986743248 + ... + 38986743305.

It is an arithmetic number, because the mean of its divisors is an integer number (584801149155).

Almost surely, 2^{2261231110037} is an apocalyptic number.

It is an amenable number.

2261231110037 is a deficient number, since it is larger than the sum of its proper divisors (77973486583).

2261231110037 is an equidigital number, since it uses as much as digits as its factorization.

2261231110037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77973486582.

The product of its (nonzero) digits is 3024, while the sum is 29.

Adding to 2261231110037 its reverse (7300111321622), we get a palindrome (9561342431659).

The spelling of 2261231110037 in words is "two trillion, two hundred sixty-one billion, two hundred thirty-one million, one hundred ten thousand, thirty-seven".