11111690579 has 4 divisors (see below), whose sum is σ = 12121844280. Its totient is φ = 10101536880.

The previous prime is 11111690549. The next prime is 11111690621. The reversal of 11111690579 is 97509611111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11111690579 - 2¹² = 11111686483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11111690519) 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, 505076834 + ... + 505076855.

It is an arithmetic number, because the mean of its divisors is an integer number (3030461070).

Almost surely, 2^11111690579 is an apocalyptic number.

11111690579 is a deficient number, since it is larger than the sum of its proper divisors (1010153701).

11111690579 is a wasteful number, since it uses less digits than its factorization.

11111690579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010153700.

The product of its (nonzero) digits is 17010, while the sum is 41.

The spelling of 11111690579 in words is "eleven billion, one hundred eleven million, six hundred ninety thousand, five hundred seventy-nine".