122555314155019 has 2 divisors, whose sum is σ = 122555314155020. Its totient is φ = 122555314155018.

The previous prime is 122555314154993. The next prime is 122555314155047. The reversal of 122555314155019 is 910551413555221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122555314155019 - 2²⁵ = 122555280600587 is a prime.

It is a super-2 number, since 2×122555314155019² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122555314155919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61277657077509 + 61277657077510.

It is an arithmetic number, because the mean of its divisors is an integer number (61277657077510).

Almost surely, 2^{122555314155019} is an apocalyptic number.

122555314155019 is a deficient number, since it is larger than the sum of its proper divisors (1).

122555314155019 is an equidigital number, since it uses as much as digits as its factorization.

122555314155019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1350000, while the sum is 49.

The spelling of 122555314155019 in words is "one hundred twenty-two trillion, five hundred fifty-five billion, three hundred fourteen million, one hundred fifty-five thousand, nineteen".