10561624625 has 8 divisors (see below), whose sum is σ = 13180907688. Its totient is φ = 8449299600.

The previous prime is 10561624621. The next prime is 10561624631. The reversal of 10561624625 is 52642616501.

It can be written as a sum of positive squares in 4 ways, for example, as 2964584704 + 7597039921 = 54448^2 + 87161^2 .

It is not a de Polignac number, because 10561624625 - 2² = 10561624621 is a prime.

It is a super-2 number, since 2×10561624625² (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 (10561624621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42246374 + ... + 42246623.

It is an arithmetic number, because the mean of its divisors is an integer number (1647613461).

Almost surely, 2^10561624625 is an apocalyptic number.

It is an amenable number.

10561624625 is a deficient number, since it is larger than the sum of its proper divisors (2619283063).

10561624625 is an frugal number, since it uses more digits than its factorization.

10561624625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84493012 (or 84493002 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 10561624625 in words is "ten billion, five hundred sixty-one million, six hundred twenty-four thousand, six hundred twenty-five".