11031938928 has 60 divisors (see below), whose sum is σ = 32690238048. Its totient is φ = 3460999680.

The previous prime is 11031938903. The next prime is 11031938933. The reversal of 11031938928 is 82983913011.

It is a super-2 number, since 2×11031938928² (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 11 ways as a sum of consecutive naturals, for example, 2250808 + ... + 2255703.

Almost surely, 2^11031938928 is an apocalyptic number.

11031938928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11031938928 is an abundant number, since it is smaller than the sum of its proper divisors (21658299120).

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

11031938928 is a wasteful number, since it uses less digits than its factorization.

11031938928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4506542 (or 4506533 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The spelling of 11031938928 in words is "eleven billion, thirty-one million, nine hundred thirty-eight thousand, nine hundred twenty-eight".