25840313225715 has 16 divisors (see below), whose sum is σ = 41352097195008. Its totient is φ = 13778968375776.

The previous prime is 25840313225689. The next prime is 25840313225729. The reversal of 25840313225715 is 51752231304852.

It is a happy number.

It is not a de Polignac number, because 25840313225715 - 2²¹ = 25840311128563 is a prime.

It is a super-2 number, since 2×25840313225715² (a number of 28 digits) contains 22 as substring.

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, 158166339 + ... + 158329628.

It is an arithmetic number, because the mean of its divisors is an integer number (2584506074688).

Almost surely, 2^{25840313225715} is an apocalyptic number.

25840313225715 is a deficient number, since it is larger than the sum of its proper divisors (15511783969293).

25840313225715 is a wasteful number, since it uses less digits than its factorization.

25840313225715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316501418.

The product of its (nonzero) digits is 2016000, while the sum is 48.

The spelling of 25840313225715 in words is "twenty-five trillion, eight hundred forty billion, three hundred thirteen million, two hundred twenty-five thousand, seven hundred fifteen".