1103112044513 has 4 divisors (see below), whose sum is σ = 1107727576320. Its totient is φ = 1098496512708.

The previous prime is 1103112044459. The next prime is 1103112044519. The reversal of 1103112044513 is 3154402113011.

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 1103112044513 - 2⁶ = 1103112044449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103112044519) 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, 2307765545 + ... + 2307766022.

It is an arithmetic number, because the mean of its divisors is an integer number (276931894080).

Almost surely, 2^{1103112044513} is an apocalyptic number.

It is an amenable number.

1103112044513 is a deficient number, since it is larger than the sum of its proper divisors (4615531807).

1103112044513 is an equidigital number, since it uses as much as digits as its factorization.

1103112044513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4615531806.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 1103112044513 its reverse (3154402113011), we get a palindrome (4257514157524).

The spelling of 1103112044513 in words is "one trillion, one hundred three billion, one hundred twelve million, forty-four thousand, five hundred thirteen".