25112532101 has 2 divisors, whose sum is σ = 25112532102. Its totient is φ = 25112532100.

The previous prime is 25112532091. The next prime is 25112532113. The reversal of 25112532101 is 10123521152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22500300001 + 2612232100 = 150001^2 + 51110^2 .

It is a cyclic number.

It is not a de Polignac number, because 25112532101 - 2¹⁰ = 25112531077 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25112532191) 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, 12556266050 + 12556266051.

It is an arithmetic number, because the mean of its divisors is an integer number (12556266051).

Almost surely, 2^25112532101 is an apocalyptic number.

It is an amenable number.

25112532101 is a deficient number, since it is larger than the sum of its proper divisors (1).

25112532101 is an equidigital number, since it uses as much as digits as its factorization.

25112532101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 23.

The spelling of 25112532101 in words is "twenty-five billion, one hundred twelve million, five hundred thirty-two thousand, one hundred one".