111377087 has 2 divisors, whose sum is σ = 111377088. Its totient is φ = 111377086.

The previous prime is 111377051. The next prime is 111377099. The reversal of 111377087 is 780773111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111377087 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111377587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55688543 + 55688544.

It is an arithmetic number, because the mean of its divisors is an integer number (55688544).

Almost surely, 2^111377087 is an apocalyptic number.

111377087 is a deficient number, since it is larger than the sum of its proper divisors (1).

111377087 is an equidigital number, since it uses as much as digits as its factorization.

111377087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8232, while the sum is 35.

The square root of 111377087 is about 10553.5343368940. The cubic root of 111377087 is about 481.1331546991.

The spelling of 111377087 in words is "one hundred eleven million, three hundred seventy-seven thousand, eighty-seven".