10515057625 has 8 divisors (see below), whose sum is σ = 13122792072. Its totient is φ = 8412046000.

The previous prime is 10515057599. The next prime is 10515057629. The reversal of 10515057625 is 52675051501.

It can be written as a sum of positive squares in 4 ways, for example, as 122478489 + 10392579136 = 11067^2 + 101944^2 .

It is a de Polignac number, because none of the positive numbers 2^k-10515057625 is a prime.

It is a super-2 number, since 2×10515057625² (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 (10515057629) 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, 42060106 + ... + 42060355.

It is an arithmetic number, because the mean of its divisors is an integer number (1640349009).

Almost surely, 2^10515057625 is an apocalyptic number.

It is an amenable number.

10515057625 is a deficient number, since it is larger than the sum of its proper divisors (2607734447).

10515057625 is an frugal number, since it uses more digits than its factorization.

10515057625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84120476 (or 84120466 counting only the distinct ones).

The product of its (nonzero) digits is 52500, while the sum is 37.

The spelling of 10515057625 in words is "ten billion, five hundred fifteen million, fifty-seven thousand, six hundred twenty-five".