18110987807 has 16 divisors (see below), whose sum is σ = 19926725280. Its totient is φ = 16324070400.

The previous prime is 18110987761. The next prime is 18110987821. The reversal of 18110987807 is 70878901181.

It is not a de Polignac number, because 18110987807 - 2⁶ = 18110987743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18110987827) 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, 592163 + ... + 621995.

It is an arithmetic number, because the mean of its divisors is an integer number (1245420330).

Almost surely, 2^18110987807 is an apocalyptic number.

18110987807 is a deficient number, since it is larger than the sum of its proper divisors (1815737473).

18110987807 is a wasteful number, since it uses less digits than its factorization.

18110987807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30314.

The product of its (nonzero) digits is 225792, while the sum is 50.

The spelling of 18110987807 in words is "eighteen billion, one hundred ten million, nine hundred eighty-seven thousand, eight hundred seven".