111413421433 has 2 divisors, whose sum is σ = 111413421434. Its totient is φ = 111413421432.

The previous prime is 111413421401. The next prime is 111413421437. The reversal of 111413421433 is 334124314111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105675055929 + 5738365504 = 325077^2 + 75752^2 .

It is a cyclic number.

It is not a de Polignac number, because 111413421433 - 2⁵ = 111413421401 is a prime.

It is not a weakly prime, because it can be changed into another prime (111413421437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55706710716 + 55706710717.

It is an arithmetic number, because the mean of its divisors is an integer number (55706710717).

Almost surely, 2^111413421433 is an apocalyptic number.

It is an amenable number.

111413421433 is a deficient number, since it is larger than the sum of its proper divisors (1).

111413421433 is an equidigital number, since it uses as much as digits as its factorization.

111413421433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 28.

Adding to 111413421433 its reverse (334124314111), we get a palindrome (445537735544).

The spelling of 111413421433 in words is "one hundred eleven billion, four hundred thirteen million, four hundred twenty-one thousand, four hundred thirty-three".