113164505273 has 2 divisors, whose sum is σ = 113164505274. Its totient is φ = 113164505272.

The previous prime is 113164505231. The next prime is 113164505281. The reversal of 113164505273 is 372505461311.

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., 106649271184 + 6515234089 = 326572^2 + 80717^2 .

It is a cyclic number.

It is not a de Polignac number, because 113164505273 - 2⁸ = 113164505017 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 (113164505213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56582252636 + 56582252637.

It is an arithmetic number, because the mean of its divisors is an integer number (56582252637).

Almost surely, 2^113164505273 is an apocalyptic number.

It is an amenable number.

113164505273 is a deficient number, since it is larger than the sum of its proper divisors (1).

113164505273 is an equidigital number, since it uses as much as digits as its factorization.

113164505273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 38.

Adding to 113164505273 its reverse (372505461311), we get a palindrome (485669966584).

The spelling of 113164505273 in words is "one hundred thirteen billion, one hundred sixty-four million, five hundred five thousand, two hundred seventy-three".