111403351613 has 2 divisors, whose sum is σ = 111403351614. Its totient is φ = 111403351612.

The previous prime is 111403351603. The next prime is 111403351621. The reversal of 111403351613 is 316153304111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93967997764 + 17435353849 = 306542^2 + 132043^2 .

It is a cyclic number.

It is not a de Polignac number, because 111403351613 - 2⁸ = 111403351357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111403351603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55701675806 + 55701675807.

It is an arithmetic number, because the mean of its divisors is an integer number (55701675807).

Almost surely, 2^111403351613 is an apocalyptic number.

It is an amenable number.

111403351613 is a deficient number, since it is larger than the sum of its proper divisors (1).

111403351613 is an equidigital number, since it uses as much as digits as its factorization.

111403351613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

Adding to 111403351613 its reverse (316153304111), we get a palindrome (427556655724).

The spelling of 111403351613 in words is "one hundred eleven billion, four hundred three million, three hundred fifty-one thousand, six hundred thirteen".