111333456678887 has 8 divisors (see below), whose sum is σ = 111768042847200. Its totient is φ = 110898881224704.

The previous prime is 111333456678869. The next prime is 111333456678911. The reversal of 111333456678887 is 788876654333111.

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 111333456678887 - 2³⁰ = 111332382937063 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 111333456678887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111333456677887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18469814 + ... + 23744492.

It is an arithmetic number, because the mean of its divisors is an integer number (13971005355900).

Almost surely, 2^{111333456678887} is an apocalyptic number.

111333456678887 is a deficient number, since it is larger than the sum of its proper divisors (434586168313).

111333456678887 is an equidigital number, since it uses as much as digits as its factorization.

111333456678887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5357065.

The product of its digits is 487710720, while the sum is 71.

The spelling of 111333456678887 in words is "one hundred eleven trillion, three hundred thirty-three billion, four hundred fifty-six million, six hundred seventy-eight thousand, eight hundred eighty-seven".