25112532513 has 32 divisors (see below), whose sum is σ = 35797386240. Its totient is φ = 15630325760.

The previous prime is 25112532493. The next prime is 25112532527. The reversal of 25112532513 is 31523521152.

It is a cyclic number.

It is not a de Polignac number, because 25112532513 - 2⁹ = 25112532001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25112532593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 371920 + ... + 434222.

It is an arithmetic number, because the mean of its divisors is an integer number (1118668320).

Almost surely, 2^25112532513 is an apocalyptic number.

It is an amenable number.

25112532513 is a deficient number, since it is larger than the sum of its proper divisors (10684853727).

25112532513 is a wasteful number, since it uses less digits than its factorization.

25112532513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62489.

The product of its digits is 9000, while the sum is 30.

The spelling of 25112532513 in words is "twenty-five billion, one hundred twelve million, five hundred thirty-two thousand, five hundred thirteen".