113345555569 has 2 divisors, whose sum is σ = 113345555570. Its totient is φ = 113345555568.

The previous prime is 113345555567. The next prime is 113345555573. The reversal of 113345555569 is 965555543311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78344010000 + 35001545569 = 279900^2 + 187087^2 .

It is a cyclic number.

It is not a de Polignac number, because 113345555569 - 2¹ = 113345555567 is a prime.

It is a super-2 number, since 2×113345555569² (a number of 23 digits) contains 22 as substring.

Together with 113345555567, it forms a pair of twin primes.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (113345555563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56672777784 + 56672777785.

It is an arithmetic number, because the mean of its divisors is an integer number (56672777785).

Almost surely, 2^113345555569 is an apocalyptic number.

It is an amenable number.

113345555569 is a deficient number, since it is larger than the sum of its proper divisors (1).

113345555569 is an equidigital number, since it uses as much as digits as its factorization.

113345555569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6075000, while the sum is 52.

The spelling of 113345555569 in words is "one hundred thirteen billion, three hundred forty-five million, five hundred fifty-five thousand, five hundred sixty-nine".