10056640025 has 24 divisors (see below), whose sum is σ = 12754272960. Its totient is φ = 7863227840.

The previous prime is 10056640021. The next prime is 10056640031. The reversal of 10056640025 is 52004665001.

It is not a de Polignac number, because 10056640025 - 2² = 10056640021 is a prime.

It is a super-2 number, since 2×10056640025² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10056640025.

It is not an unprimeable number, because it can be changed into a prime (10056640021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 334046 + ... + 362904.

It is an arithmetic number, because the mean of its divisors is an integer number (531428040).

Almost surely, 2^10056640025 is an apocalyptic number.

It is an amenable number.

10056640025 is a deficient number, since it is larger than the sum of its proper divisors (2697632935).

10056640025 is a wasteful number, since it uses less digits than its factorization.

10056640025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29185 (or 29180 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 10056640025 in words is "ten billion, fifty-six million, six hundred forty thousand, twenty-five".