1100103013553 has 4 divisors (see below), whose sum is σ = 1105631169600. Its totient is φ = 1094574857508.

The previous prime is 1100103013501. The next prime is 1100103013567. The reversal of 1100103013553 is 3553103010011.

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 1100103013553 - 2¹⁶ = 1100102948017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100103013573) 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, 2764077725 + ... + 2764078122.

It is an arithmetic number, because the mean of its divisors is an integer number (276407792400).

Almost surely, 2^{1100103013553} is an apocalyptic number.

It is an amenable number.

1100103013553 is a deficient number, since it is larger than the sum of its proper divisors (5528156047).

1100103013553 is an equidigital number, since it uses as much as digits as its factorization.

1100103013553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5528156046.

The product of its (nonzero) digits is 675, while the sum is 23.

Adding to 1100103013553 its reverse (3553103010011), we get a palindrome (4653206023564).

The spelling of 1100103013553 in words is "one trillion, one hundred billion, one hundred three million, thirteen thousand, five hundred fifty-three".