25021514315 has 16 divisors (see below), whose sum is σ = 35045332992. Its totient is φ = 16792553184.

The previous prime is 25021514263. The next prime is 25021514359. The reversal of 25021514315 is 51341512052.

It is a cyclic number.

It is not a de Polignac number, because 25021514315 - 2⁸ = 25021514059 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7603679 + ... + 7606968.

It is an arithmetic number, because the mean of its divisors is an integer number (2190333312).

Almost surely, 2^25021514315 is an apocalyptic number.

25021514315 is a deficient number, since it is larger than the sum of its proper divisors (10023818677).

25021514315 is a wasteful number, since it uses less digits than its factorization.

25021514315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15210706.

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 25021514315 in words is "twenty-five billion, twenty-one million, five hundred fourteen thousand, three hundred fifteen".