18852155123 has 2 divisors, whose sum is σ = 18852155124. Its totient is φ = 18852155122.

The previous prime is 18852155107. The next prime is 18852155149. The reversal of 18852155123 is 32155125881.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18852155123 - 2⁴ = 18852155107 is a prime.

It is not a weakly prime, because it can be changed into another prime (18852155723) 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, 9426077561 + 9426077562.

It is an arithmetic number, because the mean of its divisors is an integer number (9426077562).

Almost surely, 2^18852155123 is an apocalyptic number.

18852155123 is a deficient number, since it is larger than the sum of its proper divisors (1).

18852155123 is an equidigital number, since it uses as much as digits as its factorization.

18852155123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96000, while the sum is 41.

The spelling of 18852155123 in words is "eighteen billion, eight hundred fifty-two million, one hundred fifty-five thousand, one hundred twenty-three".