111598937 has 2 divisors, whose sum is σ = 111598938. Its totient is φ = 111598936.

The previous prime is 111598933. The next prime is 111598939. The reversal of 111598937 is 739895111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111598096 + 841 = 10564^2 + 29^2 .

It is a cyclic number.

It is not a de Polignac number, because 111598937 - 2² = 111598933 is a prime.

Together with 111598939, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (111598933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55799468 + 55799469.

It is an arithmetic number, because the mean of its divisors is an integer number (55799469).

Almost surely, 2^111598937 is an apocalyptic number.

It is an amenable number.

111598937 is a deficient number, since it is larger than the sum of its proper divisors (1).

111598937 is an equidigital number, since it uses as much as digits as its factorization.

111598937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 44.

The square root of 111598937 is about 10564.0398049231. The cubic root of 111598937 is about 481.4523962978.

The spelling of 111598937 in words is "one hundred eleven million, five hundred ninety-eight thousand, nine hundred thirty-seven".