111413501 has 2 divisors, whose sum is σ = 111413502. Its totient is φ = 111413500.

The previous prime is 111413479. The next prime is 111413527. The reversal of 111413501 is 105314111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111408025 + 5476 = 10555^2 + 74^2 .

It is a cyclic number.

It is not a de Polignac number, because 111413501 - 2⁶ = 111413437 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111413501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111418501) 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, 55706750 + 55706751.

It is an arithmetic number, because the mean of its divisors is an integer number (55706751).

Almost surely, 2^111413501 is an apocalyptic number.

It is an amenable number.

111413501 is a deficient number, since it is larger than the sum of its proper divisors (1).

111413501 is an equidigital number, since it uses as much as digits as its factorization.

111413501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 111413501 is about 10555.2593999390. The cubic root of 111413501 is about 481.1855834172.

Adding to 111413501 its reverse (105314111), we get a palindrome (216727612).

The spelling of 111413501 in words is "one hundred eleven million, four hundred thirteen thousand, five hundred one".