18387627011 has 8 divisors (see below), whose sum is σ = 19811253504. Its totient is φ = 16965313920.

The previous prime is 18387627007. The next prime is 18387627031. The reversal of 18387627011 is 11072678381.

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 18387627011 - 2² = 18387627007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18387627031) 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, 299171 + ... + 355356.

It is an arithmetic number, because the mean of its divisors is an integer number (2476406688).

Almost surely, 2^18387627011 is an apocalyptic number.

18387627011 is a deficient number, since it is larger than the sum of its proper divisors (1423626493).

18387627011 is a wasteful number, since it uses less digits than its factorization.

18387627011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656701.

The product of its (nonzero) digits is 112896, while the sum is 44.

The spelling of 18387627011 in words is "eighteen billion, three hundred eighty-seven million, six hundred twenty-seven thousand, eleven".