1111167794579 has 4 divisors (see below), whose sum is σ = 1112024517384. Its totient is φ = 1110311071776.

The previous prime is 1111167794507. The next prime is 1111167794603. The reversal of 1111167794579 is 9754977611111.

It is a happy number.

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 1111167794579 - 2⁸ = 1111167794323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111167794179) 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, 428359457 + ... + 428362050.

It is an arithmetic number, because the mean of its divisors is an integer number (278006129346).

Almost surely, 2^{1111167794579} is an apocalyptic number.

1111167794579 is a deficient number, since it is larger than the sum of its proper divisors (856722805).

1111167794579 is an equidigital number, since it uses as much as digits as its factorization.

1111167794579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856722804.

The product of its digits is 3333960, while the sum is 59.

The spelling of 1111167794579 in words is "one trillion, one hundred eleven billion, one hundred sixty-seven million, seven hundred ninety-four thousand, five hundred seventy-nine".