1103045113553 has 4 divisors (see below), whose sum is σ = 1103088221808. Its totient is φ = 1103002005300.

The previous prime is 1103045113483. The next prime is 1103045113631. The reversal of 1103045113553 is 3553115403011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1103045113553 - 2¹⁰ = 1103045112529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103045115553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21515723 + ... + 21566928.

It is an arithmetic number, because the mean of its divisors is an integer number (275772055452).

Almost surely, 2^{1103045113553} is an apocalyptic number.

It is an amenable number.

1103045113553 is a deficient number, since it is larger than the sum of its proper divisors (43108255).

1103045113553 is an equidigital number, since it uses as much as digits as its factorization.

1103045113553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43108254.

The product of its (nonzero) digits is 13500, while the sum is 32.

The spelling of 1103045113553 in words is "one trillion, one hundred three billion, forty-five million, one hundred thirteen thousand, five hundred fifty-three".