1123217315255 has 8 divisors (see below), whose sum is σ = 1540412318112. Its totient is φ = 770206159008.

The previous prime is 1123217315191. The next prime is 1123217315261. The reversal of 1123217315255 is 5525137123211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1123217315255 - 2⁶ = 1123217315191 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 7 ways as a sum of consecutive naturals, for example, 16045961612 + ... + 16045961681.

It is an arithmetic number, because the mean of its divisors is an integer number (192551539764).

Almost surely, 2^{1123217315255} is an apocalyptic number.

1123217315255 is a deficient number, since it is larger than the sum of its proper divisors (417195002857).

1123217315255 is an equidigital number, since it uses as much as digits as its factorization.

1123217315255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32091923305.

The product of its digits is 63000, while the sum is 38.

The spelling of 1123217315255 in words is "one trillion, one hundred twenty-three billion, two hundred seventeen million, three hundred fifteen thousand, two hundred fifty-five".