11687326328 has 16 divisors (see below), whose sum is σ = 23202780480. Its totient is φ = 5499918208.

The previous prime is 11687326319. The next prime is 11687326373. The reversal of 11687326328 is 82362378611.

It is a congruent number.

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, 42967976 + ... + 42968247.

It is an arithmetic number, because the mean of its divisors is an integer number (1450173780).

Almost surely, 2^11687326328 is an apocalyptic number.

It is an amenable number.

11687326328 is a deficient number, since it is larger than the sum of its proper divisors (11515454152).

11687326328 is a wasteful number, since it uses less digits than its factorization.

11687326328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85936246 (or 85936242 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The spelling of 11687326328 in words is "eleven billion, six hundred eighty-seven million, three hundred twenty-six thousand, three hundred twenty-eight".