11864712180 has 48 divisors (see below), whose sum is σ = 33227276544. Its totient is φ = 3163344000.

The previous prime is 11864712179. The next prime is 11864712221. The reversal of 11864712180 is 8121746811.

It is a super-2 number, since 2×11864712180² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387430 + ... + 416930.

It is an arithmetic number, because the mean of its divisors is an integer number (692234928).

Almost surely, 2^11864712180 is an apocalyptic number.

11864712180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11864712180 is an abundant number, since it is smaller than the sum of its proper divisors (21362564364).

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

11864712180 is a wasteful number, since it uses less digits than its factorization.

11864712180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36216 (or 36214 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 39.

The spelling of 11864712180 in words is "eleven billion, eight hundred sixty-four million, seven hundred twelve thousand, one hundred eighty".