11123457913 has 8 divisors (see below), whose sum is σ = 11484585216. Its totient is φ = 10762474800.

The previous prime is 11123457887. The next prime is 11123457929. The reversal of 11123457913 is 31975432111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11123457913 - 2²⁵ = 11089903481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11123457113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133470 + ... + 200152.

It is an arithmetic number, because the mean of its divisors is an integer number (1435573152).

Almost surely, 2^11123457913 is an apocalyptic number.

It is an amenable number.

11123457913 is a deficient number, since it is larger than the sum of its proper divisors (361127303).

11123457913 is an equidigital number, since it uses as much as digits as its factorization.

11123457913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72095.

The product of its digits is 22680, while the sum is 37.

The spelling of 11123457913 in words is "eleven billion, one hundred twenty-three million, four hundred fifty-seven thousand, nine hundred thirteen".