18742603711 has 16 divisors (see below), whose sum is σ = 20258703360. Its totient is φ = 17237253600.

The previous prime is 18742603703. The next prime is 18742603721. The reversal of 18742603711 is 11730624781.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 18742603711 - 2³ = 18742603703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18742603721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4624636 + ... + 4628686.

It is an arithmetic number, because the mean of its divisors is an integer number (1266168960).

Almost surely, 2^18742603711 is an apocalyptic number.

18742603711 is a deficient number, since it is larger than the sum of its proper divisors (1516099649).

18742603711 is a wasteful number, since it uses less digits than its factorization.

18742603711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5286.

The product of its (nonzero) digits is 56448, while the sum is 40.

The spelling of 18742603711 in words is "eighteen billion, seven hundred forty-two million, six hundred three thousand, seven hundred eleven".