1111168479479 has 4 divisors (see below), whose sum is σ = 1111497913176. Its totient is φ = 1110839045784.

The previous prime is 1111168479451. The next prime is 1111168479517. The reversal of 1111168479479 is 9749748611111.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111168479479 is a prime.

It is a super-2 number, since 2×1111168479479² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111168479419) 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, 164711789 + ... + 164718534.

It is an arithmetic number, because the mean of its divisors is an integer number (277874478294).

Almost surely, 2^{1111168479479} is an apocalyptic number.

1111168479479 is a deficient number, since it is larger than the sum of its proper divisors (329433697).

1111168479479 is an equidigital number, since it uses as much as digits as its factorization.

1111168479479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329433696.

The product of its digits is 3048192, while the sum is 59.

The spelling of 1111168479479 in words is "one trillion, one hundred eleven billion, one hundred sixty-eight million, four hundred seventy-nine thousand, four hundred seventy-nine".