111587465055277 has 2 divisors, whose sum is σ = 111587465055278. Its totient is φ = 111587465055276.

The previous prime is 111587465055259. The next prime is 111587465055307. The reversal of 111587465055277 is 772550564785111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88439184532521 + 23148280522756 = 9404211^2 + 4811266^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111587465055277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111587465055247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55793732527638 + 55793732527639.

It is an arithmetic number, because the mean of its divisors is an integer number (55793732527639).

Almost surely, 2^{111587465055277} is an apocalyptic number.

It is an amenable number.

111587465055277 is a deficient number, since it is larger than the sum of its proper divisors (1).

111587465055277 is an equidigital number, since it uses as much as digits as its factorization.

111587465055277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82320000, while the sum is 64.

The spelling of 111587465055277 in words is "one hundred eleven trillion, five hundred eighty-seven billion, four hundred sixty-five million, fifty-five thousand, two hundred seventy-seven".