15345872982568 has 64 divisors (see below), whose sum is σ = 30280971985920. Its totient is φ = 7280776588800.

The previous prime is 15345872982523. The next prime is 15345872982577. The reversal of 15345872982568 is 86528927854351.

It is a super-2 number, since 2×15345872982568² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15345872982568.

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, 20759148 + ... + 21485668.

It is an arithmetic number, because the mean of its divisors is an integer number (473140187280).

Almost surely, 2^{15345872982568} is an apocalyptic number.

It is an amenable number.

15345872982568 is a deficient number, since it is larger than the sum of its proper divisors (14935099003352).

15345872982568 is a wasteful number, since it uses less digits than its factorization.

15345872982568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728218 (or 728214 counting only the distinct ones).

The product of its digits is 1161216000, while the sum is 73.

The spelling of 15345872982568 in words is "fifteen trillion, three hundred forty-five billion, eight hundred seventy-two million, nine hundred eighty-two thousand, five hundred sixty-eight".