111352649 has 2 divisors, whose sum is σ = 111352650. Its totient is φ = 111352648.

The previous prime is 111352627. The next prime is 111352693. The reversal of 111352649 is 946253111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82537225 + 28815424 = 9085^2 + 5368^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111352649 is a prime.

It is not a weakly prime, because it can be changed into another prime (111352699) 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, 55676324 + 55676325.

It is an arithmetic number, because the mean of its divisors is an integer number (55676325).

Almost surely, 2^111352649 is an apocalyptic number.

It is an amenable number.

111352649 is a deficient number, since it is larger than the sum of its proper divisors (1).

111352649 is an equidigital number, since it uses as much as digits as its factorization.

111352649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 32.

The square root of 111352649 is about 10552.3764622004. The cubic root of 111352649 is about 481.0979625651.

The spelling of 111352649 in words is "one hundred eleven million, three hundred fifty-two thousand, six hundred forty-nine".