11858107972 has 12 divisors (see below), whose sum is σ = 21421098496. Its totient is φ = 5737794120.

The previous prime is 11858107957. The next prime is 11858107981. The reversal of 11858107972 is 27970185811.

It is a super-2 number, since 2×11858107972² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47814828 + ... + 47815075.

Almost surely, 2^11858107972 is an apocalyptic number.

It is an amenable number.

11858107972 is a deficient number, since it is larger than the sum of its proper divisors (9562990524).

11858107972 is a wasteful number, since it uses less digits than its factorization.

11858107972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95629938 (or 95629936 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 49.

The spelling of 11858107972 in words is "eleven billion, eight hundred fifty-eight million, one hundred seven thousand, nine hundred seventy-two".