11513344620103 has 4 divisors (see below), whose sum is σ = 11824516096360. Its totient is φ = 11202173143848.

The previous prime is 11513344620091. The next prime is 11513344620157. The reversal of 11513344620103 is 30102644331511.

11513344620103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11513344620103 - 2²¹ = 11513342522951 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 (11513344629103) 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, 155585738073 + ... + 155585738146.

It is an arithmetic number, because the mean of its divisors is an integer number (2956129024090).

Almost surely, 2^{11513344620103} is an apocalyptic number.

11513344620103 is a deficient number, since it is larger than the sum of its proper divisors (311171476257).

11513344620103 is an equidigital number, since it uses as much as digits as its factorization.

11513344620103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311171476256.

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 11513344620103 its reverse (30102644331511), we get a palindrome (41615988951614).

The spelling of 11513344620103 in words is "eleven trillion, five hundred thirteen billion, three hundred forty-four million, six hundred twenty thousand, one hundred three".