2158587680600 has 96 divisors (see below), whose sum is σ = 5405618028720. Its totient is φ = 796892152320.

The previous prime is 2158587680563. The next prime is 2158587680713. The reversal of 2158587680600 is 60867858512.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17444147 + ... + 17567453.

Almost surely, 2^{2158587680600} is an apocalyptic number.

2158587680600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2158587680600 is an abundant number, since it is smaller than the sum of its proper divisors (3247030348120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2158587680600 is a wasteful number, since it uses less digits than its factorization.

2158587680600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130069 (or 130060 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 56.

The spelling of 2158587680600 in words is "two trillion, one hundred fifty-eight billion, five hundred eighty-seven million, six hundred eighty thousand, six hundred".