10561256297 has 16 divisors (see below), whose sum is σ = 11334618624. Its totient is φ = 9822384000.

The previous prime is 10561256291. The next prime is 10561256327. The reversal of 10561256297 is 79265216501.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10561256297 - 2⁴ = 10561256281 is a prime.

It is a super-2 number, since 2×10561256297² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10561256291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23147 + ... + 147167.

It is an arithmetic number, because the mean of its divisors is an integer number (708413664).

Almost surely, 2^10561256297 is an apocalyptic number.

It is an amenable number.

10561256297 is a deficient number, since it is larger than the sum of its proper divisors (773362327).

10561256297 is a wasteful number, since it uses less digits than its factorization.

10561256297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124160.

The product of its (nonzero) digits is 226800, while the sum is 44.

The spelling of 10561256297 in words is "ten billion, five hundred sixty-one million, two hundred fifty-six thousand, two hundred ninety-seven".