111481837 has 2 divisors, whose sum is σ = 111481838. Its totient is φ = 111481836.

The previous prime is 111481823. The next prime is 111481841. The reversal of 111481837 is 738184111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102637161 + 8844676 = 10131^2 + 2974^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111481837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111481807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55740918 + 55740919.

It is an arithmetic number, because the mean of its divisors is an integer number (55740919).

Almost surely, 2^111481837 is an apocalyptic number.

It is an amenable number.

111481837 is a deficient number, since it is larger than the sum of its proper divisors (1).

111481837 is an equidigital number, since it uses as much as digits as its factorization.

111481837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 34.

The square root of 111481837 is about 10558.4959629675. The cubic root of 111481837 is about 481.2839424646.

The spelling of 111481837 in words is "one hundred eleven million, four hundred eighty-one thousand, eight hundred thirty-seven".