18496928311 has 4 divisors (see below), whose sum is σ = 18510401592. Its totient is φ = 18483455032.

The previous prime is 18496928299. The next prime is 18496928327. The reversal of 18496928311 is 11382969481.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18496928311 - 2²⁵ = 18463373879 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 (18496928111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6734581 + ... + 6737326.

It is an arithmetic number, because the mean of its divisors is an integer number (4627600398).

Almost surely, 2^18496928311 is an apocalyptic number.

18496928311 is a deficient number, since it is larger than the sum of its proper divisors (13473281).

18496928311 is a wasteful number, since it uses less digits than its factorization.

18496928311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13473280.

The product of its digits is 746496, while the sum is 52.

The spelling of 18496928311 in words is "eighteen billion, four hundred ninety-six million, nine hundred twenty-eight thousand, three hundred eleven".