113521523417 has 2 divisors, whose sum is σ = 113521523418. Its totient is φ = 113521523416.

The previous prime is 113521523389. The next prime is 113521523429. The reversal of 113521523417 is 714325125311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113418074176 + 103449241 = 336776^2 + 10171^2 .

It is a cyclic number.

It is not a de Polignac number, because 113521523417 - 2⁸ = 113521523161 is a prime.

It is not a weakly prime, because it can be changed into another prime (113521523477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56760761708 + 56760761709.

It is an arithmetic number, because the mean of its divisors is an integer number (56760761709).

Almost surely, 2^113521523417 is an apocalyptic number.

It is an amenable number.

113521523417 is a deficient number, since it is larger than the sum of its proper divisors (1).

113521523417 is an equidigital number, since it uses as much as digits as its factorization.

113521523417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 35.

Adding to 113521523417 its reverse (714325125311), we get a palindrome (827846648728).

The spelling of 113521523417 in words is "one hundred thirteen billion, five hundred twenty-one million, five hundred twenty-three thousand, four hundred seventeen".