11547761604 has 48 divisors (see below), whose sum is σ = 27901312320. Its totient is φ = 3712867200.

The previous prime is 11547761557. The next prime is 11547761611. The reversal of 11547761604 is 40616774511.

It is a happy number.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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, 349962 + ... + 381534.

It is an arithmetic number, because the mean of its divisors is an integer number (581277340).

Almost surely, 2^11547761604 is an apocalyptic number.

It is an amenable number.

11547761604 is an abundant number, since it is smaller than the sum of its proper divisors (16353550716).

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

11547761604 is a wasteful number, since it uses less digits than its factorization.

11547761604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32660 (or 32658 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The spelling of 11547761604 in words is "eleven billion, five hundred forty-seven million, seven hundred sixty-one thousand, six hundred four".