2158851576800 has 72 divisors (see below), whose sum is σ = 5547680472600. Its totient is φ = 818091118080.

The previous prime is 2158851576779. The next prime is 2158851576923. The reversal of 2158851576800 is 86751588512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70999655 + ... + 71030054.

It is an arithmetic number, because the mean of its divisors is an integer number (77051117675).

Almost surely, 2^{2158851576800} is an apocalyptic number.

2158851576800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2158851576800 is an abundant number, since it is smaller than the sum of its proper divisors (3388828895800).

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

2158851576800 is a wasteful number, since it uses less digits than its factorization.

2158851576800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142029748 (or 142029735 counting only the distinct ones).

The product of its (nonzero) digits is 5376000, while the sum is 56.

The spelling of 2158851576800 in words is "two trillion, one hundred fifty-eight billion, eight hundred fifty-one million, five hundred seventy-six thousand, eight hundred".