111027974587 has 2 divisors, whose sum is σ = 111027974588. Its totient is φ = 111027974586.

The previous prime is 111027974581. The next prime is 111027974597. The reversal of 111027974587 is 785479720111.

It is a weak prime.

It is an emirp because it is prime and its reverse (785479720111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111027974587 - 2²³ = 111019585979 is a prime.

It is a super-2 number, since 2×111027974587² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111027974581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55513987293 + 55513987294.

It is an arithmetic number, because the mean of its divisors is an integer number (55513987294).

Almost surely, 2^111027974587 is an apocalyptic number.

111027974587 is a deficient number, since it is larger than the sum of its proper divisors (1).

111027974587 is an equidigital number, since it uses as much as digits as its factorization.

111027974587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 987840, while the sum is 52.

The spelling of 111027974587 in words is "one hundred eleven billion, twenty-seven million, nine hundred seventy-four thousand, five hundred eighty-seven".