111320054171 has 2 divisors, whose sum is σ = 111320054172. Its totient is φ = 111320054170.

The previous prime is 111320054141. The next prime is 111320054179. The reversal of 111320054171 is 171450023111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111320054171 - 2¹⁰ = 111320053147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111320054171.

It is not a weakly prime, because it can be changed into another prime (111320054179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55660027085 + 55660027086.

It is an arithmetic number, because the mean of its divisors is an integer number (55660027086).

Almost surely, 2^111320054171 is an apocalyptic number.

111320054171 is a deficient number, since it is larger than the sum of its proper divisors (1).

111320054171 is an equidigital number, since it uses as much as digits as its factorization.

111320054171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 26.

Adding to 111320054171 its reverse (171450023111), we get a palindrome (282770077282).

The spelling of 111320054171 in words is "one hundred eleven billion, three hundred twenty million, fifty-four thousand, one hundred seventy-one".