113566666669 has 4 divisors (see below), whose sum is σ = 120247058844. Its totient is φ = 106886274496.

The previous prime is 113566666667. The next prime is 113566666693. The reversal of 113566666669 is 966666665311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 966666665311 = 1787 ⋅540943853.

It can be written as a sum of positive squares in 2 ways, for example, as 43149675625 + 70416991044 = 207725^2 + 265362^2 .

It is a cyclic number.

It is not a de Polignac number, because 113566666669 - 2¹ = 113566666667 is a prime.

It is a super-2 number, since 2×113566666669² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113566666667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3340196062 + ... + 3340196095.

It is an arithmetic number, because the mean of its divisors is an integer number (30061764711).

Almost surely, 2^113566666669 is an apocalyptic number.

It is an amenable number.

113566666669 is a deficient number, since it is larger than the sum of its proper divisors (6680392175).

113566666669 is an equidigital number, since it uses as much as digits as its factorization.

113566666669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6680392174.

The product of its digits is 37791360, while the sum is 61.

The spelling of 113566666669 in words is "one hundred thirteen billion, five hundred sixty-six million, six hundred sixty-six thousand, six hundred sixty-nine".