18281911109092 has 12 divisors (see below), whose sum is σ = 32016213174400. Its totient is φ = 9134421630696.

The previous prime is 18281911109083. The next prime is 18281911109101. The reversal of 18281911109092 is 29090111918281.

It is an interprime number because it is at equal distance from previous prime (18281911109083) and next prime (18281911109101).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1633474668 + ... + 1633485859.

Almost surely, 2^{18281911109092} is an apocalyptic number.

It is an amenable number.

18281911109092 is a deficient number, since it is larger than the sum of its proper divisors (13734302065308).

18281911109092 is a wasteful number, since it uses less digits than its factorization.

18281911109092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3266961930 (or 3266961928 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 52.

The spelling of 18281911109092 in words is "eighteen trillion, two hundred eighty-one billion, nine hundred eleven million, one hundred nine thousand, ninety-two".