1113375643453 has 12 divisors (see below), whose sum is σ = 1189557429300. Its totient is φ = 1041825784832.

The previous prime is 1113375643441. The next prime is 1113375643477. The reversal of 1113375643453 is 3543465733111.

It can be written as a sum of positive squares in 6 ways, for example, as 43646730724 + 1069728912729 = 208918^2 + 1034277^2 .

It is not a de Polignac number, because 1113375643453 - 2²⁵ = 1113342089021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113375643493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11084428 + ... + 11184421.

It is an arithmetic number, because the mean of its divisors is an integer number (99129785775).

Almost surely, 2^{1113375643453} is an apocalyptic number.

It is an amenable number.

1113375643453 is a deficient number, since it is larger than the sum of its proper divisors (76181785847).

1113375643453 is a wasteful number, since it uses less digits than its factorization.

1113375643453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22269056 (or 22269039 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 46.

The spelling of 1113375643453 in words is "one trillion, one hundred thirteen billion, three hundred seventy-five million, six hundred forty-three thousand, four hundred fifty-three".