113205061601 has 2 divisors, whose sum is σ = 113205061602. Its totient is φ = 113205061600.

The previous prime is 113205061561. The next prime is 113205061609. The reversal of 113205061601 is 106160502311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59109279376 + 54095782225 = 243124^2 + 232585^2 .

It is an emirp because it is prime and its reverse (106160502311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113205061601 - 2⁶ = 113205061537 is a prime.

It is not a weakly prime, because it can be changed into another prime (113205061609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56602530800 + 56602530801.

It is an arithmetic number, because the mean of its divisors is an integer number (56602530801).

Almost surely, 2^113205061601 is an apocalyptic number.

It is an amenable number.

113205061601 is a deficient number, since it is larger than the sum of its proper divisors (1).

113205061601 is an equidigital number, since it uses as much as digits as its factorization.

113205061601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 26.

Adding to 113205061601 its reverse (106160502311), we get a palindrome (219365563912).

The spelling of 113205061601 in words is "one hundred thirteen billion, two hundred five million, sixty-one thousand, six hundred one".