2158925712900 has 288 divisors, whose sum is σ = 7182018654720. Its totient is φ = 495206784000.

The previous prime is 2158925712893. The next prime is 2158925712901. The reversal of 2158925712900 is 92175298512.

It is not an unprimeable number, because it can be changed into a prime (2158925712901) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 50828472 + ... + 50870928.

Almost surely, 2^{2158925712900} is an apocalyptic number.

2158925712900 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 2158925712900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3591009327360).

2158925712900 is an abundant number, since it is smaller than the sum of its proper divisors (5023092941820).

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

2158925712900 is a wasteful number, since it uses less digits than its factorization.

2158925712900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43315 (or 43308 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 51.

The spelling of 2158925712900 in words is "two trillion, one hundred fifty-eight billion, nine hundred twenty-five million, seven hundred twelve thousand, nine hundred".