11804643770 has 16 divisors (see below), whose sum is σ = 22498262568. Its totient is φ = 4444101120.

The previous prime is 11804643737. The next prime is 11804643841. The reversal of 11804643770 is 7734640811.

It can be written as a sum of positive squares in 4 ways, for example, as 11802866881 + 1776889 = 108641^2 + 1333^2 .

It is a super-2 number, since 2×11804643770² (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 7 ways as a sum of consecutive naturals, for example, 34719371 + ... + 34719710.

Almost surely, 2^11804643770 is an apocalyptic number.

11804643770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11804643770 is a deficient number, since it is larger than the sum of its proper divisors (10693618798).

11804643770 is a wasteful number, since it uses less digits than its factorization.

11804643770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69439105.

The product of its (nonzero) digits is 112896, while the sum is 41.

The spelling of 11804643770 in words is "eleven billion, eight hundred four million, six hundred forty-three thousand, seven hundred seventy".