111163560401 has 2 divisors, whose sum is σ = 111163560402. Its totient is φ = 111163560400.

The previous prime is 111163560329. The next prime is 111163560451. The reversal of 111163560401 is 104065361111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110971599376 + 191961025 = 333124^2 + 13855^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111163560401 is a prime.

It is a super-2 number, since 2×111163560401² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (111163560451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55581780200 + 55581780201.

It is an arithmetic number, because the mean of its divisors is an integer number (55581780201).

Almost surely, 2^111163560401 is an apocalyptic number.

It is an amenable number.

111163560401 is a deficient number, since it is larger than the sum of its proper divisors (1).

111163560401 is an equidigital number, since it uses as much as digits as its factorization.

111163560401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 29.

The spelling of 111163560401 in words is "one hundred eleven billion, one hundred sixty-three million, five hundred sixty thousand, four hundred one".