11497782864 has 40 divisors (see below), whose sum is σ = 29807597152. Its totient is φ = 3819047040.

The previous prime is 11497782827. The next prime is 11497782871. The reversal of 11497782864 is 46828779411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409627 + ... + 436794.

Almost surely, 2^11497782864 is an apocalyptic number.

It is an amenable number.

11497782864 is an abundant number, since it is smaller than the sum of its proper divisors (18309814288).

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

11497782864 is a wasteful number, since it uses less digits than its factorization.

11497782864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846715 (or 846709 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 57.

The spelling of 11497782864 in words is "eleven billion, four hundred ninety-seven million, seven hundred eighty-two thousand, eight hundred sixty-four".