11513414123 has 4 divisors (see below), whose sum is σ = 11523001848. Its totient is φ = 11503826400.

The previous prime is 11513414113. The next prime is 11513414141. The reversal of 11513414123 is 32141431511.

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 11513414123 - 2²² = 11509219819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11513414092 and 11513414101.

It is not an unprimeable number, because it can be changed into a prime (11513414113) 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, 4792061 + ... + 4794462.

It is an arithmetic number, because the mean of its divisors is an integer number (2880750462).

Almost surely, 2^11513414123 is an apocalyptic number.

11513414123 is a deficient number, since it is larger than the sum of its proper divisors (9587725).

11513414123 is an equidigital number, since it uses as much as digits as its factorization.

11513414123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9587724.

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

Adding to 11513414123 its reverse (32141431511), we get a palindrome (43654845634).

The spelling of 11513414123 in words is "eleven billion, five hundred thirteen million, four hundred fourteen thousand, one hundred twenty-three".