18051125907 has 8 divisors (see below), whose sum is σ = 24128794576. Its totient is φ = 12003770592.

The previous prime is 18051125887. The next prime is 18051125947. The reversal of 18051125907 is 70952115081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18051125907 - 2¹⁴ = 18051109523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18051125947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7576948 + ... + 7579329.

It is an arithmetic number, because the mean of its divisors is an integer number (3016099322).

Almost surely, 2^18051125907 is an apocalyptic number.

18051125907 is a deficient number, since it is larger than the sum of its proper divisors (6077668669).

18051125907 is a wasteful number, since it uses less digits than its factorization.

18051125907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15156677.

The product of its (nonzero) digits is 25200, while the sum is 39.

The spelling of 18051125907 in words is "eighteen billion, fifty-one million, one hundred twenty-five thousand, nine hundred seven".