111027974887 has 8 divisors (see below), whose sum is σ = 114613702272. Its totient is φ = 107442508800.

The previous prime is 111027974879. The next prime is 111027974917. The reversal of 111027974887 is 788479720111.

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 111027974887 - 2³ = 111027974879 is a prime.

It is a super-2 number, since 2×111027974887² (a number of 23 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 (111027974587) 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, 1168263 + ... + 1259719.

It is an arithmetic number, because the mean of its divisors is an integer number (14326712784).

Almost surely, 2^111027974887 is an apocalyptic number.

111027974887 is a deficient number, since it is larger than the sum of its proper divisors (3585727385).

111027974887 is an equidigital number, since it uses as much as digits as its factorization.

111027974887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130649.

The product of its (nonzero) digits is 1580544, while the sum is 55.

The spelling of 111027974887 in words is "one hundred eleven billion, twenty-seven million, nine hundred seventy-four thousand, eight hundred eighty-seven".