18052403925 has 12 divisors (see below), whose sum is σ = 29846641280. Its totient is φ = 9627948720.

The previous prime is 18052403917. The next prime is 18052403927. The reversal of 18052403925 is 52930425081.

It is not a de Polignac number, because 18052403925 - 2³ = 18052403917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18052403927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120349285 + ... + 120349434.

Almost surely, 2^18052403925 is an apocalyptic number.

18052403925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18052403925 is a deficient number, since it is larger than the sum of its proper divisors (11794237355).

18052403925 is a wasteful number, since it uses less digits than its factorization.

18052403925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240698732 (or 240698727 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 18052403925 in words is "eighteen billion, fifty-two million, four hundred three thousand, nine hundred twenty-five".