11515316010525 has 48 divisors (see below), whose sum is σ = 21154672710720. Its totient is φ = 6141324571200.

The previous prime is 11515316010491. The next prime is 11515316010553. The reversal of 11515316010525 is 52501061351511.

11515316010525 is a `hidden beast` number, since 1 + 1 + 5 + 1 + 531 + 60 + 10 + 52 + 5 = 666.

It is not a de Polignac number, because 11515316010525 - 2⁸ = 11515316010269 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11515316010525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25080270 + ... + 25535280.

It is an arithmetic number, because the mean of its divisors is an integer number (440722348140).

Almost surely, 2^{11515316010525} is an apocalyptic number.

11515316010525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11515316010525 is a deficient number, since it is larger than the sum of its proper divisors (9639356700195).

11515316010525 is a wasteful number, since it uses less digits than its factorization.

11515316010525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492523 (or 492512 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 36.

The spelling of 11515316010525 in words is "eleven trillion, five hundred fifteen billion, three hundred sixteen million, ten thousand, five hundred twenty-five".