2312151512525 has 6 divisors (see below), whose sum is σ = 2867067875562. Its totient is φ = 1849721210000.

The previous prime is 2312151512479. The next prime is 2312151512527. The reversal of 2312151512525 is 5252151512132.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 19573968649 + 2292577543876 = 139907^2 + 1514126^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2312151512525 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312151512527) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46243030226 + ... + 46243030275.

It is an arithmetic number, because the mean of its divisors is an integer number (477844645927).

Almost surely, 2^{2312151512525} is an apocalyptic number.

2312151512525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2312151512525 is a deficient number, since it is larger than the sum of its proper divisors (554916363037).

2312151512525 is an equidigital number, since it uses as much as digits as its factorization.

2312151512525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92486060511 (or 92486060506 counting only the distinct ones).

The product of its digits is 30000, while the sum is 35.

The spelling of 2312151512525 in words is "two trillion, three hundred twelve billion, one hundred fifty-one million, five hundred twelve thousand, five hundred twenty-five".