11974907136 has 36 divisors (see below), whose sum is σ = 31870718432. Its totient is φ = 3991635456.

The previous prime is 11974907123. The next prime is 11974907213. The reversal of 11974907136 is 63170947911.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7795396 + ... + 7796931.

Almost surely, 2^11974907136 is an apocalyptic number.

11974907136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11974907136 is an abundant number, since it is smaller than the sum of its proper divisors (19895811296).

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

11974907136 is an equidigital number, since it uses as much as digits as its factorization.

11974907136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15592346 (or 15592332 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 48.

The spelling of 11974907136 in words is "eleven billion, nine hundred seventy-four million, nine hundred seven thousand, one hundred thirty-six".