113163018401 has 2 divisors, whose sum is σ = 113163018402. Its totient is φ = 113163018400.

The previous prime is 113163018391. The next prime is 113163018407. The reversal of 113163018401 is 104810361311.

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., 103523706001 + 9639312400 = 321751^2 + 98180^2 .

It is a cyclic number.

It is not a de Polignac number, because 113163018401 - 2⁶ = 113163018337 is a prime.

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 (113163018407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56581509200 + 56581509201.

It is an arithmetic number, because the mean of its divisors is an integer number (56581509201).

Almost surely, 2^113163018401 is an apocalyptic number.

It is an amenable number.

113163018401 is a deficient number, since it is larger than the sum of its proper divisors (1).

113163018401 is an equidigital number, since it uses as much as digits as its factorization.

113163018401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

Adding to 113163018401 its reverse (104810361311), we get a palindrome (217973379712).

The spelling of 113163018401 in words is "one hundred thirteen billion, one hundred sixty-three million, eighteen thousand, four hundred one".