18125048788 has 24 divisors (see below), whose sum is σ = 39545561664. Its totient is φ = 7061707200.

The previous prime is 18125048779. The next prime is 18125048791. The reversal of 18125048788 is 88784052181.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29423473 + ... + 29424088.

It is an arithmetic number, because the mean of its divisors is an integer number (1647731736).

Almost surely, 2^18125048788 is an apocalyptic number.

It is an amenable number.

18125048788 is an abundant number, since it is smaller than the sum of its proper divisors (21420512876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18125048788 is a wasteful number, since it uses less digits than its factorization.

18125048788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58847583 (or 58847581 counting only the distinct ones).

The product of its (nonzero) digits is 1146880, while the sum is 52.

The spelling of 18125048788 in words is "eighteen billion, one hundred twenty-five million, forty-eight thousand, seven hundred eighty-eight".