2252620126261 has 4 divisors (see below), whose sum is σ = 2252644366752. Its totient is φ = 2252595885772.

The previous prime is 2252620126223. The next prime is 2252620126283. The reversal of 2252620126261 is 1626210262522.

2252620126261 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2252620126261 is a prime.

It is a super-2 number, since 2×2252620126261² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2252620126261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2252620196261) 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, 11980315 + ... + 12166888.

It is an arithmetic number, because the mean of its divisors is an integer number (563161091688).

Almost surely, 2^{2252620126261} is an apocalyptic number.

It is an amenable number.

2252620126261 is a deficient number, since it is larger than the sum of its proper divisors (24240491).

2252620126261 is an equidigital number, since it uses as much as digits as its factorization.

2252620126261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24240490.

The product of its (nonzero) digits is 69120, while the sum is 37.

Adding to 2252620126261 its reverse (1626210262522), we get a palindrome (3878830388783).

The spelling of 2252620126261 in words is "two trillion, two hundred fifty-two billion, six hundred twenty million, one hundred twenty-six thousand, two hundred sixty-one".