11672492872 has 8 divisors (see below), whose sum is σ = 21885924150. Its totient is φ = 5836246432.

The previous prime is 11672492863. The next prime is 11672492879. The reversal of 11672492872 is 27829427611.

It can be written as a sum of positive squares in only one way, i.e., 8579575876 + 3092916996 = 92626^2 + 55614^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (11672492879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 729530797 + ... + 729530812.

Almost surely, 2^11672492872 is an apocalyptic number.

It is an amenable number.

11672492872 is a deficient number, since it is larger than the sum of its proper divisors (10213431278).

11672492872 is a wasteful number, since it uses less digits than its factorization.

11672492872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459061615 (or 1459061611 counting only the distinct ones).

The product of its digits is 677376, while the sum is 49.

The spelling of 11672492872 in words is "eleven billion, six hundred seventy-two million, four hundred ninety-two thousand, eight hundred seventy-two".