2261013066143 has 8 divisors (see below), whose sum is σ = 2435026375488. Its totient is φ = 2087012503584.

The previous prime is 2261013066133. The next prime is 2261013066211. The reversal of 2261013066143 is 3416603101622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2261013066143 - 2⁴ = 2261013066127 is a prime.

It is a super-2 number, since 2×2261013066143² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261013066133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2816696 + ... + 3529277.

It is an arithmetic number, because the mean of its divisors is an integer number (304378296936).

Almost surely, 2^{2261013066143} is an apocalyptic number.

2261013066143 is a deficient number, since it is larger than the sum of its proper divisors (174013309345).

2261013066143 is a wasteful number, since it uses less digits than its factorization.

2261013066143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6373393.

The product of its (nonzero) digits is 31104, while the sum is 35.

Adding to 2261013066143 its reverse (3416603101622), we get a palindrome (5677616167765).

The spelling of 2261013066143 in words is "two trillion, two hundred sixty-one billion, thirteen million, sixty-six thousand, one hundred forty-three".