25112532113 has 2 divisors, whose sum is σ = 25112532114. Its totient is φ = 25112532112.

The previous prime is 25112532101. The next prime is 25112532139. The reversal of 25112532113 is 31123521152.

It is an a-pointer prime, because the next prime (25112532139) can be obtained adding 25112532113 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24884431504 + 228100609 = 157748^2 + 15103^2 .

It is a cyclic number.

It is not a de Polignac number, because 25112532113 - 2³⁰ = 24038790289 is a prime.

It is not a weakly prime, because it can be changed into another prime (25112532163) 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 as a sum of consecutive naturals, namely, 12556266056 + 12556266057.

It is an arithmetic number, because the mean of its divisors is an integer number (12556266057).

Almost surely, 2^25112532113 is an apocalyptic number.

It is an amenable number.

25112532113 is a deficient number, since it is larger than the sum of its proper divisors (1).

25112532113 is an equidigital number, since it uses as much as digits as its factorization.

25112532113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1800, while the sum is 26.

The spelling of 25112532113 in words is "twenty-five billion, one hundred twelve million, five hundred thirty-two thousand, one hundred thirteen".