111375907 has 2 divisors, whose sum is σ = 111375908. Its totient is φ = 111375906.

The previous prime is 111375899. The next prime is 111375911. The reversal of 111375907 is 709573111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111375907 - 2³ = 111375899 is a prime.

It is not a weakly prime, because it can be changed into another prime (111375307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55687953 + 55687954.

It is an arithmetic number, because the mean of its divisors is an integer number (55687954).

Almost surely, 2^111375907 is an apocalyptic number.

111375907 is a deficient number, since it is larger than the sum of its proper divisors (1).

111375907 is an equidigital number, since it uses as much as digits as its factorization.

111375907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6615, while the sum is 34.

The square root of 111375907 is about 10553.4784313041. The cubic root of 111375907 is about 481.1314555491.

The spelling of 111375907 in words is "one hundred eleven million, three hundred seventy-five thousand, nine hundred seven".