111287860027 has 2 divisors, whose sum is σ = 111287860028. Its totient is φ = 111287860026.

The previous prime is 111287860003. The next prime is 111287860049. The reversal of 111287860027 is 720068782111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111287860027 - 2²³ = 111279471419 is a prime.

It is not a weakly prime, because it can be changed into another prime (111287860127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55643930013 + 55643930014.

It is an arithmetic number, because the mean of its divisors is an integer number (55643930014).

Almost surely, 2^111287860027 is an apocalyptic number.

111287860027 is a deficient number, since it is larger than the sum of its proper divisors (1).

111287860027 is an equidigital number, since it uses as much as digits as its factorization.

111287860027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75264, while the sum is 43.

The spelling of 111287860027 in words is "one hundred eleven billion, two hundred eighty-seven million, eight hundred sixty thousand, twenty-seven".