122555305045455 has 16 divisors (see below), whose sum is σ = 196556479701120. Its totient is φ = 65206832148128.

The previous prime is 122555305045403. The next prime is 122555305045457. The reversal of 122555305045455 is 554540503555221.

It is a cyclic number.

It is not a de Polignac number, because 122555305045455 - 2³⁰ = 122554231303631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122555305045398 and 122555305045407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122555305045457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9749819097 + ... + 9749831666.

It is an arithmetic number, because the mean of its divisors is an integer number (12284779981320).

Almost surely, 2^{122555305045455} is an apocalyptic number.

122555305045455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122555305045455 is a deficient number, since it is larger than the sum of its proper divisors (74001174655665).

122555305045455 is a wasteful number, since it uses less digits than its factorization.

122555305045455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19499651190.

The product of its (nonzero) digits is 15000000, while the sum is 51.

The spelling of 122555305045455 in words is "one hundred twenty-two trillion, five hundred fifty-five billion, three hundred five million, forty-five thousand, four hundred fifty-five".