113263206305 has 8 divisors (see below), whose sum is σ = 136444704552. Its totient is φ = 90257993728.

The previous prime is 113263206241. The next prime is 113263206311. The reversal of 113263206305 is 503602362311.

It can be written as a sum of positive squares in 4 ways, for example, as 78893012641 + 34370193664 = 280879^2 + 185392^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 113263206305 - 2⁶ = 113263206241 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44070002 + ... + 44072571.

It is an arithmetic number, because the mean of its divisors is an integer number (17055588069).

Almost surely, 2^113263206305 is an apocalyptic number.

It is an amenable number.

113263206305 is a deficient number, since it is larger than the sum of its proper divisors (23181498247).

113263206305 is an equidigital number, since it uses as much as digits as its factorization.

113263206305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88142835.

The product of its (nonzero) digits is 19440, while the sum is 32.

Adding to 113263206305 its reverse (503602362311), we get a palindrome (616865568616).

The spelling of 113263206305 in words is "one hundred thirteen billion, two hundred sixty-three million, two hundred six thousand, three hundred five".