2152531456504 has 128 divisors (see below), whose sum is σ = 4776993144000. Its totient is φ = 896438108160.

The previous prime is 2152531456501. The next prime is 2152531456511. The reversal of 2152531456504 is 4056541352512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152531456501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99124752 + ... + 99146464.

Almost surely, 2^{2152531456504} 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 2152531456504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2388496572000).

2152531456504 is an abundant number, since it is smaller than the sum of its proper divisors (2624461687496).

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

2152531456504 is a wasteful number, since it uses less digits than its factorization.

2152531456504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22385 (or 22381 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 43.

The spelling of 2152531456504 in words is "two trillion, one hundred fifty-two billion, five hundred thirty-one million, four hundred fifty-six thousand, five hundred four".