111604016827 has 2 divisors, whose sum is σ = 111604016828. Its totient is φ = 111604016826.

The previous prime is 111604016809. The next prime is 111604016863. The reversal of 111604016827 is 728610406111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111604016827 is a prime.

It is not a weakly prime, because it can be changed into another prime (111604010827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55802008413 + 55802008414.

It is an arithmetic number, because the mean of its divisors is an integer number (55802008414).

Almost surely, 2^111604016827 is an apocalyptic number.

111604016827 is a deficient number, since it is larger than the sum of its proper divisors (1).

111604016827 is an equidigital number, since it uses as much as digits as its factorization.

111604016827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 37.

The spelling of 111604016827 in words is "one hundred eleven billion, six hundred four million, sixteen thousand, eight hundred twenty-seven".