18512114205071 has 2 divisors, whose sum is σ = 18512114205072. Its totient is φ = 18512114205070.

The previous prime is 18512114205059. The next prime is 18512114205083. The reversal of 18512114205071 is 17050241121581.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (18512114205059) and next prime (18512114205083).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18512114205071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18512114205371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9256057102535 + 9256057102536.

It is an arithmetic number, because the mean of its divisors is an integer number (9256057102536).

Almost surely, 2^{18512114205071} is an apocalyptic number.

18512114205071 is a deficient number, since it is larger than the sum of its proper divisors (1).

18512114205071 is an equidigital number, since it uses as much as digits as its factorization.

18512114205071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22400, while the sum is 38.

The spelling of 18512114205071 in words is "eighteen trillion, five hundred twelve billion, one hundred fourteen million, two hundred five thousand, seventy-one".