111163594873 has 2 divisors, whose sum is σ = 111163594874. Its totient is φ = 111163594872.

The previous prime is 111163594853. The next prime is 111163594877. The reversal of 111163594873 is 378495361111.

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., 110408004729 + 755590144 = 332277^2 + 27488^2 .

It is a cyclic number.

It is not a de Polignac number, because 111163594873 - 2²¹ = 111161497721 is a prime.

It is a super-2 number, since 2×111163594873² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111163594877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55581797436 + 55581797437.

It is an arithmetic number, because the mean of its divisors is an integer number (55581797437).

Almost surely, 2^111163594873 is an apocalyptic number.

It is an amenable number.

111163594873 is a deficient number, since it is larger than the sum of its proper divisors (1).

111163594873 is an equidigital number, since it uses as much as digits as its factorization.

111163594873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 49.

The spelling of 111163594873 in words is "one hundred eleven billion, one hundred sixty-three million, five hundred ninety-four thousand, eight hundred seventy-three".