11865172364 has 12 divisors (see below), whose sum is σ = 21856896600. Its totient is φ = 5620344768.

The previous prime is 11865172339. The next prime is 11865172379. The reversal of 11865172364 is 46327156811.

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, 78060269 + ... + 78060420.

It is an arithmetic number, because the mean of its divisors is an integer number (1821408050).

Almost surely, 2^11865172364 is an apocalyptic number.

It is an amenable number.

11865172364 is a deficient number, since it is larger than the sum of its proper divisors (9991724236).

11865172364 is a wasteful number, since it uses less digits than its factorization.

11865172364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156120712 (or 156120710 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The spelling of 11865172364 in words is "eleven billion, eight hundred sixty-five million, one hundred seventy-two thousand, three hundred sixty-four".