18275112925 has 6 divisors (see below), whose sum is σ = 22661140058. Its totient is φ = 14620090320.

The previous prime is 18275112923. The next prime is 18275112959. The reversal of 18275112925 is 52921157281.

It can be written as a sum of positive squares in 3 ways, for example, as 1351444644 + 16923668281 = 36762^2 + 130091^2 .

It is not a de Polignac number, because 18275112925 - 2¹ = 18275112923 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18275112923) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 365502234 + ... + 365502283.

Almost surely, 2^18275112925 is an apocalyptic number.

It is an amenable number.

18275112925 is a deficient number, since it is larger than the sum of its proper divisors (4386027133).

18275112925 is an equidigital number, since it uses as much as digits as its factorization.

18275112925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731004527 (or 731004522 counting only the distinct ones).

The product of its digits is 100800, while the sum is 43.

The spelling of 18275112925 in words is "eighteen billion, two hundred seventy-five million, one hundred twelve thousand, nine hundred twenty-five".