11874017861388 has 72 divisors (see below), whose sum is σ = 31051233202080. Its totient is φ = 3821355740160.

The previous prime is 11874017861371. The next prime is 11874017861399. The reversal of 11874017861388 is 88316871047811.

11874017861388 is a `hidden beast` number, since 1 + 1 + 8 + 7 + 4 + 0 + 1 + 7 + 8 + 613 + 8 + 8 = 666.

It is a super-2 number, since 2×11874017861388² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24826428 + ... + 25300188.

Almost surely, 2^{11874017861388} is an apocalyptic number.

11874017861388 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11874017861388 is an abundant number, since it is smaller than the sum of its proper divisors (19177215340692).

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

11874017861388 is a wasteful number, since it uses less digits than its factorization.

11874017861388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497807 (or 497802 counting only the distinct ones).

The product of its (nonzero) digits is 14450688, while the sum is 63.

The spelling of 11874017861388 in words is "eleven trillion, eight hundred seventy-four billion, seventeen million, eight hundred sixty-one thousand, three hundred eighty-eight".