10515386925 has 24 divisors (see below), whose sum is σ = 19317156480. Its totient is φ = 5608206000.

The previous prime is 10515386867. The next prime is 10515386953. The reversal of 10515386925 is 52968351501.

10515386925 is a `hidden beast` number, since 1 + 0 + 51 + 538 + 69 + 2 + 5 = 666.

It is not a de Polignac number, because 10515386925 - 2¹⁰ = 10515385901 is a prime.

It is a super-2 number, since 2×10515386925² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7788501 + ... + 7789850.

It is an arithmetic number, because the mean of its divisors is an integer number (804881520).

Almost surely, 2^10515386925 is an apocalyptic number.

10515386925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10515386925 is a deficient number, since it is larger than the sum of its proper divisors (8801769555).

10515386925 is a wasteful number, since it uses less digits than its factorization.

10515386925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15578370 (or 15578359 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 45.

The spelling of 10515386925 in words is "ten billion, five hundred fifteen million, three hundred eighty-six thousand, nine hundred twenty-five".