25236507122 has 6 divisors (see below), whose sum is σ = 37855097679. Its totient is φ = 12618141230.

The previous prime is 25236507029. The next prime is 25236507193. The reversal of 25236507122 is 22170563252.

It can be written as a sum of positive squares in only one way, i.e., 12618253561 + 12618253561 = 112331^2 + 112331^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=112331.

It is a Duffinian number.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 168497 + ... + 280827.

Almost surely, 2^25236507122 is an apocalyptic number.

25236507122 is a deficient number, since it is larger than the sum of its proper divisors (12618590557).

25236507122 is an frugal number, since it uses more digits than its factorization.

25236507122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224664 (or 112333 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 25236507122 in words is "twenty-five billion, two hundred thirty-six million, five hundred seven thousand, one hundred twenty-two".