11033113109 has 4 divisors (see below), whose sum is σ = 11140230816. Its totient is φ = 10925995404.

The previous prime is 11033113099. The next prime is 11033113123. The reversal of 11033113109 is 90131133011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90131133011 = 3727 ⋅24183293.

It is a cyclic number.

It is not a de Polignac number, because 11033113109 - 2²⁴ = 11016335893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11033113129) 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, 53558699 + ... + 53558904.

It is an arithmetic number, because the mean of its divisors is an integer number (2785057704).

Almost surely, 2^11033113109 is an apocalyptic number.

It is an amenable number.

11033113109 is a deficient number, since it is larger than the sum of its proper divisors (107117707).

11033113109 is a wasteful number, since it uses less digits than its factorization.

11033113109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107117706.

The product of its (nonzero) digits is 243, while the sum is 23.

The spelling of 11033113109 in words is "eleven billion, thirty-three million, one hundred thirteen thousand, one hundred nine".