11757623388 has 24 divisors (see below), whose sum is σ = 31353662592. Its totient is φ = 3359320944.

The previous prime is 11757623369. The next prime is 11757623389. The reversal of 11757623388 is 88332675711.

It is a self number, because there is not a number n which added to its sum of digits gives 11757623388.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11757623389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69985770 + ... + 69985937.

It is an arithmetic number, because the mean of its divisors is an integer number (1306402608).

Almost surely, 2^11757623388 is an apocalyptic number.

It is an amenable number.

11757623388 is an abundant number, since it is smaller than the sum of its proper divisors (19596039204).

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

11757623388 is a wasteful number, since it uses less digits than its factorization.

11757623388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139971721 (or 139971719 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 51.

The spelling of 11757623388 in words is "eleven billion, seven hundred fifty-seven million, six hundred twenty-three thousand, three hundred eighty-eight".