25413942015 has 96 divisors (see below), whose sum is σ = 55141212672. Its totient is φ = 10519200000.

The previous prime is 25413941951. The next prime is 25413942019. The reversal of 25413942015 is 51024931452.

25413942015 is a `hidden beast` number, since 2 + 541 + 3 + 94 + 20 + 1 + 5 = 666.

It is not a de Polignac number, because 25413942015 - 2⁶ = 25413941951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25413942019) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 855105 + ... + 884325.

It is an arithmetic number, because the mean of its divisors is an integer number (574387632).

Almost surely, 2^25413942015 is an apocalyptic number.

25413942015 is an abundant number, since it is smaller than the sum of its proper divisors (29727270657).

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

25413942015 is a wasteful number, since it uses less digits than its factorization.

25413942015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29501 (or 29498 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 25413942015 in words is "twenty-five billion, four hundred thirteen million, nine hundred forty-two thousand, fifteen".