111377317 has 2 divisors, whose sum is σ = 111377318. Its totient is φ = 111377316.

The previous prime is 111377291. The next prime is 111377333. The reversal of 111377317 is 713773111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111218116 + 159201 = 10546^2 + 399^2 .

It is an emirp because it is prime and its reverse (713773111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111377317 - 2²³ = 102988709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111377347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55688658 + 55688659.

It is an arithmetic number, because the mean of its divisors is an integer number (55688659).

Almost surely, 2^111377317 is an apocalyptic number.

It is an amenable number.

111377317 is a deficient number, since it is larger than the sum of its proper divisors (1).

111377317 is an equidigital number, since it uses as much as digits as its factorization.

111377317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3087, while the sum is 31.

The square root of 111377317 is about 10553.5452337118. The cubic root of 111377317 is about 481.1334858879.

The spelling of 111377317 in words is "one hundred eleven million, three hundred seventy-seven thousand, three hundred seventeen".