18392481121 has 8 divisors (see below), whose sum is σ = 21029367744. Its totient is φ = 15757941840.

The previous prime is 18392481091. The next prime is 18392481157. The reversal of 18392481121 is 12118429381.

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 18392481121 - 2¹⁷ = 18392350049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18362481121) 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, 570010 + ... + 601411.

It is an arithmetic number, because the mean of its divisors is an integer number (2628670968).

Almost surely, 2^18392481121 is an apocalyptic number.

It is an amenable number.

18392481121 is a deficient number, since it is larger than the sum of its proper divisors (2636886623).

18392481121 is a wasteful number, since it uses less digits than its factorization.

18392481121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173671.

The product of its digits is 27648, while the sum is 40.

The spelling of 18392481121 in words is "eighteen billion, three hundred ninety-two million, four hundred eighty-one thousand, one hundred twenty-one".