11123120313 has 20 divisors (see below), whose sum is σ = 16676038500. Its totient is φ = 7388628192.

The previous prime is 11123120299. The next prime is 11123120363. The reversal of 11123120313 is 31302132111.

It can be written as a sum of positive squares in 2 ways, for example, as 5149067049 + 5974053264 = 71757^2 + 77292^2 .

It is not a de Polignac number, because 11123120313 - 2²² = 11118926009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11123120363) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 225438 + ... + 270311.

It is an arithmetic number, because the mean of its divisors is an integer number (833801925).

Almost surely, 2^11123120313 is an apocalyptic number.

It is an amenable number.

11123120313 is a deficient number, since it is larger than the sum of its proper divisors (5552918187).

11123120313 is an equidigital number, since it uses as much as digits as its factorization.

11123120313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496038 (or 496029 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11123120313 its reverse (31302132111), we get a palindrome (42425252424).

The spelling of 11123120313 in words is "eleven billion, one hundred twenty-three million, one hundred twenty thousand, three hundred thirteen".