25461669122 has 6 divisors (see below), whose sum is σ = 38192842179. Its totient is φ = 12730721730.

The previous prime is 25461669119. The next prime is 25461669133. The reversal of 25461669122 is 22196616452.

It can be written as a sum of positive squares in only one way, i.e., 12730834561 + 12730834561 = 112831^2 + 112831^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=112831.

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, 169247 + ... + 282077.

Almost surely, 2^25461669122 is an apocalyptic number.

25461669122 is a deficient number, since it is larger than the sum of its proper divisors (12731173057).

25461669122 is an frugal number, since it uses more digits than its factorization.

25461669122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225664 (or 112833 counting only the distinct ones).

The product of its digits is 311040, while the sum is 44.

The spelling of 25461669122 in words is "twenty-five billion, four hundred sixty-one million, six hundred sixty-nine thousand, one hundred twenty-two".