18111152023 has 2 divisors, whose sum is σ = 18111152024. Its totient is φ = 18111152022.

The previous prime is 18111151999. The next prime is 18111152057. The reversal of 18111152023 is 32025111181.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18111152023 - 2²¹ = 18109054871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18111150023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9055576011 + 9055576012.

It is an arithmetic number, because the mean of its divisors is an integer number (9055576012).

Almost surely, 2^18111152023 is an apocalyptic number.

18111152023 is a deficient number, since it is larger than the sum of its proper divisors (1).

18111152023 is an equidigital number, since it uses as much as digits as its factorization.

18111152023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 25.

The spelling of 18111152023 in words is "eighteen billion, one hundred eleven million, one hundred fifty-two thousand, twenty-three".