11408990056920 has 96 divisors (see below), whose sum is σ = 38275321518720. Its totient is φ = 2944255495680.

The previous prime is 11408990056913. The next prime is 11408990056979. The reversal of 11408990056920 is 2965009980411.

11408990056920 is a `hidden beast` number, since 11 + 40 + 8 + 9 + 9 + 0 + 0 + 569 + 20 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 511144309 + ... + 511166628.

It is an arithmetic number, because the mean of its divisors is an integer number (398701265820).

Almost surely, 2^{11408990056920} is an apocalyptic number.

11408990056920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11408990056920 is an abundant number, since it is smaller than the sum of its proper divisors (26866331461800).

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

11408990056920 is a wasteful number, since it uses less digits than its factorization.

11408990056920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022310985 (or 1022310978 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 54.

The spelling of 11408990056920 in words is "eleven trillion, four hundred eight billion, nine hundred ninety million, fifty-six thousand, nine hundred twenty".