1123455667775 has 48 divisors (see below), whose sum is σ = 1600928480448. Its totient is φ = 766105344000.

The previous prime is 1123455667751. The next prime is 1123455667781. The reversal of 1123455667775 is 5777665543211.

It is not a de Polignac number, because 1123455667775 - 2²⁶ = 1123388558911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30896105 + ... + 30932445.

It is an arithmetic number, because the mean of its divisors is an integer number (33352676676).

Almost surely, 2^{1123455667775} is an apocalyptic number.

1123455667775 is a deficient number, since it is larger than the sum of its proper divisors (477472812673).

1123455667775 is a wasteful number, since it uses less digits than its factorization.

1123455667775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37332 (or 37327 counting only the distinct ones).

The product of its digits is 37044000, while the sum is 59.

The spelling of 1123455667775 in words is "one trillion, one hundred twenty-three billion, four hundred fifty-five million, six hundred sixty-seven thousand, seven hundred seventy-five".