111216489479 has 8 divisors (see below), whose sum is σ = 116094840288. Its totient is φ = 106436691360.

The previous prime is 111216489367. The next prime is 111216489481. The reversal of 111216489479 is 974984612111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111216489479 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111216489479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111216482479) by changing a digit.

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, 24635867 + ... + 24640380.

It is an arithmetic number, because the mean of its divisors is an integer number (14511855036).

Almost surely, 2^111216489479 is an apocalyptic number.

111216489479 is a deficient number, since it is larger than the sum of its proper divisors (4878350809).

111216489479 is an equidigital number, since it uses as much as digits as its factorization.

111216489479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49276345.

The product of its digits is 870912, while the sum is 53.

The spelling of 111216489479 in words is "one hundred eleven billion, two hundred sixteen million, four hundred eighty-nine thousand, four hundred seventy-nine".