111299413 has 2 divisors, whose sum is σ = 111299414. Its totient is φ = 111299412.

The previous prime is 111299411. The next prime is 111299423. The reversal of 111299413 is 314992111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111133764 + 165649 = 10542^2 + 407^2 .

It is a cyclic number.

It is not a de Polignac number, because 111299413 - 2¹ = 111299411 is a prime.

Together with 111299411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111299411) 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, 55649706 + 55649707.

It is an arithmetic number, because the mean of its divisors is an integer number (55649707).

Almost surely, 2^111299413 is an apocalyptic number.

It is an amenable number.

111299413 is a deficient number, since it is larger than the sum of its proper divisors (1).

111299413 is an equidigital number, since it uses as much as digits as its factorization.

111299413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 31.

The square root of 111299413 is about 10549.8536956680. The cubic root of 111299413 is about 481.0212818156.

The spelling of 111299413 in words is "one hundred eleven million, two hundred ninety-nine thousand, four hundred thirteen".