11111091002 has 16 divisors (see below), whose sum is σ = 18361806624. Its totient is φ = 5000490000.

The previous prime is 11111090981. The next prime is 11111091011. The reversal of 11111091002 is 20019011111.

It is a happy number.

11111091002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2498024 + ... + 2502467.

It is an arithmetic number, because the mean of its divisors is an integer number (1147612914).

Almost surely, 2^11111091002 is an apocalyptic number.

11111091002 is a deficient number, since it is larger than the sum of its proper divisors (7250715622).

11111091002 is a wasteful number, since it uses less digits than its factorization.

11111091002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000605.

The product of its (nonzero) digits is 18, while the sum is 17.

It can be divided in two parts, 1111109 and 1002, that added together give a palindrome (1112111).

The spelling of 11111091002 in words is "eleven billion, one hundred eleven million, ninety-one thousand, two".