11513025123 has 4 divisors (see below), whose sum is σ = 15350700168. Its totient is φ = 7675350080.

The previous prime is 11513025119. The next prime is 11513025169. The reversal of 11513025123 is 32152031511.

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 11513025123 - 2² = 11513025119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11513025093 and 11513025102.

It is not an unprimeable number, because it can be changed into a prime (11513025323) 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, 1918837518 + ... + 1918837523.

It is an arithmetic number, because the mean of its divisors is an integer number (3837675042).

Almost surely, 2^11513025123 is an apocalyptic number.

11513025123 is a deficient number, since it is larger than the sum of its proper divisors (3837675045).

11513025123 is an equidigital number, since it uses as much as digits as its factorization.

11513025123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3837675044.

The product of its (nonzero) digits is 900, while the sum is 24.

Adding to 11513025123 its reverse (32152031511), we get a palindrome (43665056634).

The spelling of 11513025123 in words is "eleven billion, five hundred thirteen million, twenty-five thousand, one hundred twenty-three".