11538480725 has 24 divisors (see below), whose sum is σ = 14956453440. Its totient is φ = 8813678720.

The previous prime is 11538480713. The next prime is 11538480731. The reversal of 11538480725 is 52708483511.

It is not a de Polignac number, because 11538480725 - 2⁶ = 11538480661 is a prime.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 309542 + ... + 344808.

It is an arithmetic number, because the mean of its divisors is an integer number (623185560).

Almost surely, 2^11538480725 is an apocalyptic number.

It is an amenable number.

11538480725 is a deficient number, since it is larger than the sum of its proper divisors (3417972715).

11538480725 is a wasteful number, since it uses less digits than its factorization.

11538480725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35869 (or 35864 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 44.

The spelling of 11538480725 in words is "eleven billion, five hundred thirty-eight million, four hundred eighty thousand, seven hundred twenty-five".