122553256055 has 4 divisors (see below), whose sum is σ = 147063907272. Its totient is φ = 98042604840.

The previous prime is 122553255991. The next prime is 122553256061. The reversal of 122553256055 is 550652355221.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 122553256055 - 2⁶ = 122553255991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12255325601 + ... + 12255325610.

It is an arithmetic number, because the mean of its divisors is an integer number (36765976818).

Almost surely, 2^122553256055 is an apocalyptic number.

122553256055 is a deficient number, since it is larger than the sum of its proper divisors (24510651217).

122553256055 is an equidigital number, since it uses as much as digits as its factorization.

122553256055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24510651216.

The product of its (nonzero) digits is 450000, while the sum is 41.

The spelling of 122553256055 in words is "one hundred twenty-two billion, five hundred fifty-three million, two hundred fifty-six thousand, fifty-five".