10515474825 has 12 divisors (see below), whose sum is σ = 17385585168. Its totient is φ = 5608253200.

The previous prime is 10515474803. The next prime is 10515474839. The reversal of 10515474825 is 52847451501.

It is a happy number.

It is not a de Polignac number, because 10515474825 - 2⁹ = 10515474313 is a prime.

It is a super-2 number, since 2×10515474825² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70103091 + ... + 70103240.

It is an arithmetic number, because the mean of its divisors is an integer number (1448798764).

Almost surely, 2^10515474825 is an apocalyptic number.

10515474825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10515474825 is a deficient number, since it is larger than the sum of its proper divisors (6870110343).

10515474825 is a wasteful number, since it uses less digits than its factorization.

10515474825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140206344 (or 140206339 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 42.

The spelling of 10515474825 in words is "ten billion, five hundred fifteen million, four hundred seventy-four thousand, eight hundred twenty-five".