15231868268 has 6 divisors (see below), whose sum is σ = 26655769476. Its totient is φ = 7615934132.

The previous prime is 15231868247. The next prime is 15231868271. The reversal of 15231868268 is 86286813251.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1903983530 + ... + 1903983537.

It is an arithmetic number, because the mean of its divisors is an integer number (4442628246).

Almost surely, 2^15231868268 is an apocalyptic number.

It is an amenable number.

15231868268 is a deficient number, since it is larger than the sum of its proper divisors (11423901208).

15231868268 is a wasteful number, since it uses less digits than its factorization.

15231868268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3807967071 (or 3807967069 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 50.

The spelling of 15231868268 in words is "fifteen billion, two hundred thirty-one million, eight hundred sixty-eight thousand, two hundred sixty-eight".