11031394911504 has 80 divisors (see below), whose sum is σ = 31749933588480. Its totient is φ = 3271722532480.

The previous prime is 11031394911499. The next prime is 11031394911541. The reversal of 11031394911504 is 40511949313011.

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, 222238944 + ... + 222288575.

It is an arithmetic number, because the mean of its divisors is an integer number (396874169856).

Almost surely, 2^{11031394911504} is an apocalyptic number.

It is an amenable number.

11031394911504 is an abundant number, since it is smaller than the sum of its proper divisors (20718538676976).

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

11031394911504 is a wasteful number, since it uses less digits than its factorization.

11031394911504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444527588 (or 444527582 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 42.

The spelling of 11031394911504 in words is "eleven trillion, thirty-one billion, three hundred ninety-four million, nine hundred eleven thousand, five hundred four".