18110851941 has 32 divisors (see below), whose sum is σ = 30163990528. Its totient is φ = 9410385600.

The previous prime is 18110851933. The next prime is 18110851951. The reversal of 18110851941 is 14915801181.

It is not a de Polignac number, because 18110851941 - 2³ = 18110851933 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 18110851941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18110851901) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 476785 + ... + 513366.

It is an arithmetic number, because the mean of its divisors is an integer number (942624704).

Almost surely, 2^18110851941 is an apocalyptic number.

It is an amenable number.

18110851941 is a deficient number, since it is larger than the sum of its proper divisors (12053138587).

18110851941 is a wasteful number, since it uses less digits than its factorization.

18110851941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990241.

The product of its (nonzero) digits is 11520, while the sum is 39.

The spelling of 18110851941 in words is "eighteen billion, one hundred ten million, eight hundred fifty-one thousand, nine hundred forty-one".