111413647 has 2 divisors, whose sum is σ = 111413648. Its totient is φ = 111413646.

The previous prime is 111413611. The next prime is 111413657. The reversal of 111413647 is 746314111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111413647 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111413657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55706823 + 55706824.

It is an arithmetic number, because the mean of its divisors is an integer number (55706824).

Almost surely, 2^111413647 is an apocalyptic number.

111413647 is a deficient number, since it is larger than the sum of its proper divisors (1).

111413647 is an equidigital number, since it uses as much as digits as its factorization.

111413647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 28.

The square root of 111413647 is about 10555.2663159202. The cubic root of 111413647 is about 481.1857936044.

Adding to 111413647 its reverse (746314111), we get a palindrome (857727758).

The spelling of 111413647 in words is "one hundred eleven million, four hundred thirteen thousand, six hundred forty-seven".