18110954677 has 2 divisors, whose sum is σ = 18110954678. Its totient is φ = 18110954676.

The previous prime is 18110954671. The next prime is 18110954707. The reversal of 18110954677 is 77645901181.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15468891876 + 2642062801 = 124374^2 + 51401^2 .

It is a cyclic number.

It is not a de Polignac number, because 18110954677 - 2³ = 18110954669 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18110954677.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18110954671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9055477338 + 9055477339.

It is an arithmetic number, because the mean of its divisors is an integer number (9055477339).

Almost surely, 2^18110954677 is an apocalyptic number.

It is an amenable number.

18110954677 is a deficient number, since it is larger than the sum of its proper divisors (1).

18110954677 is an equidigital number, since it uses as much as digits as its factorization.

18110954677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 49.

The spelling of 18110954677 in words is "eighteen billion, one hundred ten million, nine hundred fifty-four thousand, six hundred seventy-seven".