122554421433055 has 16 divisors (see below), whose sum is σ = 153470694686400. Its totient is φ = 93773902571008.

The previous prime is 122554421433029. The next prime is 122554421433071. The reversal of 122554421433055 is 550334124455221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122554421433055 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122554421432996 and 122554421433014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37469512 + ... + 40608781.

It is an arithmetic number, because the mean of its divisors is an integer number (9591918417900).

Almost surely, 2^{122554421433055} is an apocalyptic number.

122554421433055 is a deficient number, since it is larger than the sum of its proper divisors (30916273253345).

122554421433055 is a wasteful number, since it uses less digits than its factorization.

122554421433055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78091970.

The product of its (nonzero) digits is 2880000, while the sum is 46.

Adding to 122554421433055 its reverse (550334124455221), we get a palindrome (672888545888276).

The spelling of 122554421433055 in words is "one hundred twenty-two trillion, five hundred fifty-four billion, four hundred twenty-one million, four hundred thirty-three thousand, fifty-five".