113211302665 has 8 divisors (see below), whose sum is σ = 135912362688. Its totient is φ = 90529842480.

The previous prime is 113211302663. The next prime is 113211302671. The reversal of 113211302665 is 566203112311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113211302665 - 2¹ = 113211302663 is a prime.

It is a super-2 number, since 2×113211302665² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113211302663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4887247 + ... + 4910356.

It is an arithmetic number, because the mean of its divisors is an integer number (16989045336).

Almost surely, 2^113211302665 is an apocalyptic number.

It is an amenable number.

113211302665 is a deficient number, since it is larger than the sum of its proper divisors (22701060023).

113211302665 is an equidigital number, since it uses as much as digits as its factorization.

113211302665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9799919.

The product of its (nonzero) digits is 6480, while the sum is 31.

Adding to 113211302665 its reverse (566203112311), we get a palindrome (679414414976).

The spelling of 113211302665 in words is "one hundred thirteen billion, two hundred eleven million, three hundred two thousand, six hundred sixty-five".