25133513215 has 16 divisors (see below), whose sum is σ = 31791352320. Its totient is φ = 19022303520.

The previous prime is 25133513213. The next prime is 25133513219. The reversal of 25133513215 is 51231533152.

It is not a de Polignac number, because 25133513215 - 2¹ = 25133513213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25133513213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112891 + ... + 251020.

It is an arithmetic number, because the mean of its divisors is an integer number (1986959520).

Almost surely, 2^25133513215 is an apocalyptic number.

25133513215 is a deficient number, since it is larger than the sum of its proper divisors (6657839105).

25133513215 is a wasteful number, since it uses less digits than its factorization.

25133513215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364662.

The product of its digits is 13500, while the sum is 31.

The spelling of 25133513215 in words is "twenty-five billion, one hundred thirty-three million, five hundred thirteen thousand, two hundred fifteen".