11846988180 has 48 divisors (see below), whose sum is σ = 36857298240. Its totient is φ = 3159196704.

The previous prime is 11846988137. The next prime is 11846988193. The reversal of 11846988180 is 8188964811.

It is a happy number.

It is a super-2 number, since 2×11846988180² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10968894 + ... + 10969973.

It is an arithmetic number, because the mean of its divisors is an integer number (767860380).

Almost surely, 2^11846988180 is an apocalyptic number.

11846988180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11846988180 is an abundant number, since it is smaller than the sum of its proper divisors (25010310060).

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

11846988180 is a wasteful number, since it uses less digits than its factorization.

11846988180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21938885 (or 21938877 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 54.

The spelling of 11846988180 in words is "eleven billion, eight hundred forty-six million, nine hundred eighty-eight thousand, one hundred eighty".