113111401171 has 2 divisors, whose sum is σ = 113111401172. Its totient is φ = 113111401170.

The previous prime is 113111401133. The next prime is 113111401181. The reversal of 113111401171 is 171104111311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113111401171 - 2⁹ = 113111400659 is a prime.

It is not a weakly prime, because it can be changed into another prime (113111401181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56555700585 + 56555700586.

It is an arithmetic number, because the mean of its divisors is an integer number (56555700586).

Almost surely, 2^113111401171 is an apocalyptic number.

113111401171 is a deficient number, since it is larger than the sum of its proper divisors (1).

113111401171 is an equidigital number, since it uses as much as digits as its factorization.

113111401171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 22.

Adding to 113111401171 its reverse (171104111311), we get a palindrome (284215512482).

The spelling of 113111401171 in words is "one hundred thirteen billion, one hundred eleven million, four hundred one thousand, one hundred seventy-one".