10809976188 has 24 divisors (see below), whose sum is σ = 27516303360. Its totient is φ = 3275750320.

The previous prime is 10809976187. The next prime is 10809976189. The reversal of 10809976188 is 88167990801.

It is an interprime number because it is at equal distance from previous prime (10809976187) and next prime (10809976189).

It is a super-2 number, since 2×10809976188² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10809976183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40946748 + ... + 40947011.

It is an arithmetic number, because the mean of its divisors is an integer number (1146512640).

Almost surely, 2^10809976188 is an apocalyptic number.

It is an amenable number.

10809976188 is an abundant number, since it is smaller than the sum of its proper divisors (16706327172).

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

10809976188 is a wasteful number, since it uses less digits than its factorization.

10809976188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81893777 (or 81893775 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 57.

The spelling of 10809976188 in words is "ten billion, eight hundred nine million, nine hundred seventy-six thousand, one hundred eighty-eight".