2152521931392 has 1920 divisors, whose sum is σ = 8298843134400. Its totient is φ = 553063956480.

The previous prime is 2152521931331. The next prime is 2152521931457. The reversal of 2152521931392 is 2931391252512.

2152521931392 is a `hidden beast` number, since 2 + 1 + 5 + 2 + 521 + 9 + 31 + 3 + 92 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 52500534892 + ... + 52500534932.

Almost surely, 2^{2152521931392} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2152521931392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4149421567200).

2152521931392 is an abundant number, since it is smaller than the sum of its proper divisors (6146321203008).

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

2152521931392 is an frugal number, since it uses more digits than its factorization.

2152521931392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 109 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The spelling of 2152521931392 in words is "two trillion, one hundred fifty-two billion, five hundred twenty-one million, nine hundred thirty-one thousand, three hundred ninety-two".