1111179677889 has 8 divisors (see below), whose sum is σ = 1496241942912. Its totient is φ = 733451932400.

The previous prime is 1111179677887. The next prime is 1111179677903. The reversal of 1111179677889 is 9887769711111.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1111179677889 - 2¹ = 1111179677887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1111179677887) 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, 1833629529 + ... + 1833630134.

It is an arithmetic number, because the mean of its divisors is an integer number (187030242864).

Almost surely, 2^{1111179677889} is an apocalyptic number.

It is an amenable number.

1111179677889 is a deficient number, since it is larger than the sum of its proper divisors (385062265023).

1111179677889 is a wasteful number, since it uses less digits than its factorization.

1111179677889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3667259767.

The product of its digits is 10668672, while the sum is 66.

It can be divided in two parts, 11111 and 79677889, that added together give a triangular number (79689000 = T₁₂₆₂₄).

The spelling of 1111179677889 in words is "one trillion, one hundred eleven billion, one hundred seventy-nine million, six hundred seventy-seven thousand, eight hundred eighty-nine".