11783932180 has 48 divisors (see below), whose sum is σ = 25482885120. Its totient is φ = 4574470400.

The previous prime is 11783932163. The next prime is 11783932207. The reversal of 11783932180 is 8123938711.

It is a super-2 number, since 2×11783932180² (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, 119001 + ... + 194239.

It is an arithmetic number, because the mean of its divisors is an integer number (530893440).

Almost surely, 2^11783932180 is an apocalyptic number.

11783932180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11783932180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12741442560).

11783932180 is an abundant number, since it is smaller than the sum of its proper divisors (13698952940).

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

11783932180 is a wasteful number, since it uses less digits than its factorization.

11783932180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75480 (or 75478 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 43.

The spelling of 11783932180 in words is "eleven billion, seven hundred eighty-three million, nine hundred thirty-two thousand, one hundred eighty".