18852155107 has 2 divisors, whose sum is σ = 18852155108. Its totient is φ = 18852155106.

The previous prime is 18852155089. The next prime is 18852155123. The reversal of 18852155107 is 70155125881.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18852155107 - 2²⁷ = 18717937379 is a prime.

It is not a weakly prime, because it can be changed into another prime (18852153107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9426077553 + 9426077554.

It is an arithmetic number, because the mean of its divisors is an integer number (9426077554).

Almost surely, 2^18852155107 is an apocalyptic number.

18852155107 is a deficient number, since it is larger than the sum of its proper divisors (1).

18852155107 is an equidigital number, since it uses as much as digits as its factorization.

18852155107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112000, while the sum is 43.

The spelling of 18852155107 in words is "eighteen billion, eight hundred fifty-two million, one hundred fifty-five thousand, one hundred seven".