113217650237 has 2 divisors, whose sum is σ = 113217650238. Its totient is φ = 113217650236.

The previous prime is 113217650207. The next prime is 113217650239. The reversal of 113217650237 is 732056712311.

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., 102588246436 + 10629403801 = 320294^2 + 103099^2 .

It is an emirp because it is prime and its reverse (732056712311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113217650237 - 2⁶ = 113217650173 is a prime.

Together with 113217650239, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113217650237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113217650239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56608825118 + 56608825119.

It is an arithmetic number, because the mean of its divisors is an integer number (56608825119).

Almost surely, 2^113217650237 is an apocalyptic number.

It is an amenable number.

113217650237 is a deficient number, since it is larger than the sum of its proper divisors (1).

113217650237 is an equidigital number, since it uses as much as digits as its factorization.

113217650237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 38.

The spelling of 113217650237 in words is "one hundred thirteen billion, two hundred seventeen million, six hundred fifty thousand, two hundred thirty-seven".