18125485577 has 8 divisors (see below), whose sum is σ = 18247046400. Its totient is φ = 18004223664.

The previous prime is 18125485487. The next prime is 18125485597. The reversal of 18125485577 is 77558452181.

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

It is a cyclic number.

It is not a de Polignac number, because 18125485577 - 2⁸ = 18125485321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18125485597) 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, 47624 + ... + 196262.

It is an arithmetic number, because the mean of its divisors is an integer number (2280880800).

Almost surely, 2^18125485577 is an apocalyptic number.

It is an amenable number.

18125485577 is a deficient number, since it is larger than the sum of its proper divisors (121560823).

18125485577 is a wasteful number, since it uses less digits than its factorization.

18125485577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149455.

The product of its digits is 3136000, while the sum is 53.

The spelling of 18125485577 in words is "eighteen billion, one hundred twenty-five million, four hundred eighty-five thousand, five hundred seventy-seven".