18036286775 has 12 divisors (see below), whose sum is σ = 24085380312. Its totient is φ = 13319103840.

The previous prime is 18036286771. The next prime is 18036286781. The reversal of 18036286775 is 57768263081.

It is not a de Polignac number, because 18036286775 - 2² = 18036286771 is a prime.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18036286771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27747809 + ... + 27748458.

It is an arithmetic number, because the mean of its divisors is an integer number (2007115026).

Almost surely, 2^18036286775 is an apocalyptic number.

18036286775 is a deficient number, since it is larger than the sum of its proper divisors (6049093537).

18036286775 is a wasteful number, since it uses less digits than its factorization.

18036286775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55496290 (or 55496285 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 18036286775 in words is "eighteen billion, thirty-six million, two hundred eighty-six thousand, seven hundred seventy-five".