101818552159 has 2 divisors, whose sum is σ = 101818552160. Its totient is φ = 101818552158.

The previous prime is 101818552139. The next prime is 101818552193. The reversal of 101818552159 is 951255818101.

It is a weak prime.

It is an emirp because it is prime and its reverse (951255818101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101818552159 - 2²⁷ = 101684334431 is a prime.

It is a super-2 number, since 2×101818552159² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101818552109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50909276079 + 50909276080.

It is an arithmetic number, because the mean of its divisors is an integer number (50909276080).

Almost surely, 2^101818552159 is an apocalyptic number.

101818552159 is a deficient number, since it is larger than the sum of its proper divisors (1).

101818552159 is an equidigital number, since it uses as much as digits as its factorization.

101818552159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144000, while the sum is 46.

The spelling of 101818552159 in words is "one hundred one billion, eight hundred eighteen million, five hundred fifty-two thousand, one hundred fifty-nine".