2531153320000 has 70 divisors (see below), whose sum is σ = 6276437707958. Its totient is φ = 1012461312000.

The previous prime is 2531153319967. The next prime is 2531153320021. The reversal of 2531153320000 is 233511352.

It can be written as a sum of positive squares in 5 ways, for example, as 852180074496 + 1678973245504 = 923136^2 + 1295752^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 31599417 + ... + 31679416.

Almost surely, 2^{2531153320000} is an apocalyptic number.

2531153320000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2531153320000 is an abundant number, since it is smaller than the sum of its proper divisors (3745284387958).

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

2531153320000 is an frugal number, since it uses more digits than its factorization.

2531153320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63278865 (or 63278840 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 2531153320000 its reverse (233511352), we get a palindrome (2531386831352).

The spelling of 2531153320000 in words is "two trillion, five hundred thirty-one billion, one hundred fifty-three million, three hundred twenty thousand".