11893722980 has 24 divisors (see below), whose sum is σ = 26291388480. Its totient is φ = 4507094880.

The previous prime is 11893722959. The next prime is 11893722983. The reversal of 11893722980 is 8922739811.

It is not an unprimeable number, because it can be changed into a prime (11893722983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15649256 + ... + 15650015.

It is an arithmetic number, because the mean of its divisors is an integer number (1095474520).

Almost surely, 2^11893722980 is an apocalyptic number.

11893722980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11893722980 is an abundant number, since it is smaller than the sum of its proper divisors (14397665500).

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

11893722980 is a wasteful number, since it uses less digits than its factorization.

11893722980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31299299 (or 31299297 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 50.

The spelling of 11893722980 in words is "eleven billion, eight hundred ninety-three million, seven hundred twenty-two thousand, nine hundred eighty".