11111030113 has 4 divisors (see below), whose sum is σ = 11114136468. Its totient is φ = 11107923760.

The previous prime is 11111030089. The next prime is 11111030143. The reversal of 11111030113 is 31103011111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31103011111 = 1993 ⋅15606127.

It can be written as a sum of positive squares in 2 ways, for example, as 6439581009 + 4671449104 = 80247^2 + 68348^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11111030113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11111030093 and 11111030102.

It is not an unprimeable number, because it can be changed into a prime (11111030143) 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, 1547806 + ... + 1554967.

It is an arithmetic number, because the mean of its divisors is an integer number (2778534117).

Almost surely, 2^11111030113 is an apocalyptic number.

It is an amenable number.

11111030113 is a deficient number, since it is larger than the sum of its proper divisors (3106355).

11111030113 is an equidigital number, since it uses as much as digits as its factorization.

11111030113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3106354.

The product of its (nonzero) digits is 9, while the sum is 13.

Adding to 11111030113 its reverse (31103011111), we get a palindrome (42214041224).

The spelling of 11111030113 in words is "eleven billion, one hundred eleven million, thirty thousand, one hundred thirteen".