1123426836655 has 32 divisors (see below), whose sum is σ = 1422934640640. Its totient is φ = 849121056000.

The previous prime is 1123426836619. The next prime is 1123426836659. The reversal of 1123426836655 is 5566386243211.

It is not a de Polignac number, because 1123426836655 - 2¹³ = 1123426828463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123426836659) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52998739 + ... + 53019931.

It is an arithmetic number, because the mean of its divisors is an integer number (44466707520).

Almost surely, 2^{1123426836655} is an apocalyptic number.

1123426836655 is a deficient number, since it is larger than the sum of its proper divisors (299507803985).

1123426836655 is a wasteful number, since it uses less digits than its factorization.

1123426836655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22711.

The product of its digits is 6220800, while the sum is 52.

The spelling of 1123426836655 in words is "one trillion, one hundred twenty-three billion, four hundred twenty-six million, eight hundred thirty-six thousand, six hundred fifty-five".