2158932787200 has 1710 divisors, whose sum is σ = 9416083371156. Its totient is φ = 487524925440.

The previous prime is 2158932787169. The next prime is 2158932787213. The reversal of 2158932787200 is 27872398512.

2158932787200 is a `hidden beast` number, since 2 + 1 + 589 + 32 + 7 + 8 + 7 + 20 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 26011238359 + ... + 26011238441.

Almost surely, 2^{2158932787200} is an apocalyptic number.

2158932787200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2158932787200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4708041685578).

2158932787200 is an abundant number, since it is smaller than the sum of its proper divisors (7257150583956).

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

2158932787200 is an frugal number, since it uses more digits than its factorization.

2158932787200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 2158932787200 in words is "two trillion, one hundred fifty-eight billion, nine hundred thirty-two million, seven hundred eighty-seven thousand, two hundred".