11047374640 has 20 divisors (see below), whose sum is σ = 25685146224. Its totient is φ = 4418949824.

The previous prime is 11047374631. The next prime is 11047374659. The reversal of 11047374640 is 4647374011.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 11047374640.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69046012 + ... + 69046171.

Almost surely, 2^11047374640 is an apocalyptic number.

11047374640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11047374640 is an abundant number, since it is smaller than the sum of its proper divisors (14637771584).

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

11047374640 is a wasteful number, since it uses less digits than its factorization.

11047374640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138092196 (or 138092190 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

The spelling of 11047374640 in words is "eleven billion, forty-seven million, three hundred seventy-four thousand, six hundred forty".