11525261365620 has 96 divisors (see below), whose sum is σ = 35860100976000. Its totient is φ = 3073083121152.

The previous prime is 11525261365609. The next prime is 11525261365621. The reversal of 11525261365620 is 2656316252511.

11525261365620 is a `hidden beast` number, since 1 + 1 + 5 + 2 + 5 + 2 + 6 + 13 + 6 + 5 + 620 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11525261365621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4104487 + ... + 6316433.

It is an arithmetic number, because the mean of its divisors is an integer number (373542718500).

Almost surely, 2^{11525261365620} is an apocalyptic number.

11525261365620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11525261365620 is an abundant number, since it is smaller than the sum of its proper divisors (24334839610380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11525261365620 is a wasteful number, since it uses less digits than its factorization.

11525261365620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221614 (or 2221606 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 11525261365620 in words is "eleven trillion, five hundred twenty-five billion, two hundred sixty-one million, three hundred sixty-five thousand, six hundred twenty".