25427157308047 has 16 divisors (see below), whose sum is σ = 28499677920000. Its totient is φ = 22489541648640.

The previous prime is 25427157307987. The next prime is 25427157308051. The reversal of 25427157308047 is 74080375172452.

It is not a de Polignac number, because 25427157308047 - 2²³ = 25427148919439 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 (25427157308087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201890547 + ... + 202016452.

It is an arithmetic number, because the mean of its divisors is an integer number (1781229870000).

Almost surely, 2^{25427157308047} is an apocalyptic number.

25427157308047 is a deficient number, since it is larger than the sum of its proper divisors (3072520611953).

25427157308047 is a wasteful number, since it uses less digits than its factorization.

25427157308047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403907166.

The product of its (nonzero) digits is 13171200, while the sum is 55.

The spelling of 25427157308047 in words is "twenty-five trillion, four hundred twenty-seven billion, one hundred fifty-seven million, three hundred eight thousand, forty-seven".