11477108820 has 48 divisors (see below), whose sum is σ = 32588535168. Its totient is φ = 3017454720.

The previous prime is 11477108807. The next prime is 11477108843. The reversal of 11477108820 is 2880177411.

It is a super-2 number, since 2×11477108820² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 1342819 + ... + 1351338.

It is an arithmetic number, because the mean of its divisors is an integer number (678927816).

Almost surely, 2^11477108820 is an apocalyptic number.

11477108820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11477108820 is an abundant number, since it is smaller than the sum of its proper divisors (21111426348).

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

11477108820 is a wasteful number, since it uses less digits than its factorization.

11477108820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2694240 (or 2694238 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 39.

The spelling of 11477108820 in words is "eleven billion, four hundred seventy-seven million, one hundred eight thousand, eight hundred twenty".