111487373 has 2 divisors, whose sum is σ = 111487374. Its totient is φ = 111487372.

The previous prime is 111487367. The next prime is 111487381. The reversal of 111487373 is 373784111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88322404 + 23164969 = 9398^2 + 4813^2 .

It is a cyclic number.

It is not a de Polignac number, because 111487373 - 2²⁴ = 94710157 is a prime.

It is a super-2 number, since 2×111487373² = 24858868676882258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111487393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55743686 + 55743687.

It is an arithmetic number, because the mean of its divisors is an integer number (55743687).

Almost surely, 2^111487373 is an apocalyptic number.

It is an amenable number.

111487373 is a deficient number, since it is larger than the sum of its proper divisors (1).

111487373 is an equidigital number, since it uses as much as digits as its factorization.

111487373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 35.

The square root of 111487373 is about 10558.7581182637. The cubic root of 111487373 is about 481.2919089157.

The spelling of 111487373 in words is "one hundred eleven million, four hundred eighty-seven thousand, three hundred seventy-three".