11121109793 has 6 divisors (see below), whose sum is σ = 11775753126. Its totient is φ = 10466517632.

The previous prime is 11121109763. The next prime is 11121109807. The reversal of 11121109793 is 39790112111.

It can be written as a sum of positive squares in 3 ways, for example, as 18905104 + 11102204689 = 4348^2 + 105367^2 .

It is not a de Polignac number, because 11121109793 - 2⁸ = 11121109537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11121109723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 422021 + ... + 447597.

It is an arithmetic number, because the mean of its divisors is an integer number (1962625521).

Almost surely, 2^11121109793 is an apocalyptic number.

It is an amenable number.

11121109793 is a deficient number, since it is larger than the sum of its proper divisors (654643333).

11121109793 is an frugal number, since it uses more digits than its factorization.

11121109793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51171 (or 25594 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 35.

The spelling of 11121109793 in words is "eleven billion, one hundred twenty-one million, one hundred nine thousand, seven hundred ninety-three".