122555345105159 has 2 divisors, whose sum is σ = 122555345105160. Its totient is φ = 122555345105158.

The previous prime is 122555345105117. The next prime is 122555345105161. The reversal of 122555345105159 is 951501543555221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122555345105159 - 2³² = 122551050137863 is a prime.

It is a super-2 number, since 2×122555345105159² (a number of 29 digits) contains 22 as substring.

Together with 122555345105161, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122555345105159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122555345105659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61277672552579 + 61277672552580.

It is an arithmetic number, because the mean of its divisors is an integer number (61277672552580).

Almost surely, 2^{122555345105159} is an apocalyptic number.

122555345105159 is a deficient number, since it is larger than the sum of its proper divisors (1).

122555345105159 is an equidigital number, since it uses as much as digits as its factorization.

122555345105159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6750000, while the sum is 53.

The spelling of 122555345105159 in words is "one hundred twenty-two trillion, five hundred fifty-five billion, three hundred forty-five million, one hundred five thousand, one hundred fifty-nine".