11878722474 has 32 divisors (see below), whose sum is σ = 23925582144. Its totient is φ = 3931597440.

The previous prime is 11878722431. The next prime is 11878722491. The reversal of 11878722474 is 47422787811.

It is a super-2 number, since 2×11878722474² (a number of 21 digits) contains 22 as substring.

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, 1161664 + ... + 1171844.

It is an arithmetic number, because the mean of its divisors is an integer number (747674442).

Almost surely, 2^11878722474 is an apocalyptic number.

11878722474 is an abundant number, since it is smaller than the sum of its proper divisors (12046859670).

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

11878722474 is a wasteful number, since it uses less digits than its factorization.

11878722474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11542.

The product of its digits is 1404928, while the sum is 51.

The spelling of 11878722474 in words is "eleven billion, eight hundred seventy-eight million, seven hundred twenty-two thousand, four hundred seventy-four".