15680882655 has 24 divisors (see below), whose sum is σ = 27360209760. Its totient is φ = 8307748800.

The previous prime is 15680882641. The next prime is 15680882663. The reversal of 15680882655 is 55628808651.

15680882655 is a `hidden beast` number, since 1 + 568 + 0 + 8 + 8 + 26 + 55 = 666.

It is not a de Polignac number, because 15680882655 - 2¹² = 15680878559 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1147060 + ... + 1160649.

It is an arithmetic number, because the mean of its divisors is an integer number (1140008740).

Almost surely, 2^15680882655 is an apocalyptic number.

15680882655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15680882655 is a deficient number, since it is larger than the sum of its proper divisors (11679327105).

15680882655 is a wasteful number, since it uses less digits than its factorization.

15680882655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2307871 (or 2307868 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 54.

The spelling of 15680882655 in words is "fifteen billion, six hundred eighty million, eight hundred eighty-two thousand, six hundred fifty-five".