11538716372 has 48 divisors (see below), whose sum is σ = 20727705600. Its totient is φ = 5618951520.

The previous prime is 11538716369. The next prime is 11538716381. The reversal of 11538716372 is 27361783511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9434153 + ... + 9435375.

It is an arithmetic number, because the mean of its divisors is an integer number (431827200).

Almost surely, 2^11538716372 is an apocalyptic number.

It is an amenable number.

11538716372 is a deficient number, since it is larger than the sum of its proper divisors (9188989228).

11538716372 is a wasteful number, since it uses less digits than its factorization.

11538716372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676 (or 1674 counting only the distinct ones).

The product of its digits is 211680, while the sum is 44.

The spelling of 11538716372 in words is "eleven billion, five hundred thirty-eight million, seven hundred sixteen thousand, three hundred seventy-two".