113200645647 has 4 divisors (see below), whose sum is σ = 150934194200. Its totient is φ = 75467097096.

The previous prime is 113200645609. The next prime is 113200645693. The reversal of 113200645647 is 746546002311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 113200645647 - 2¹⁵ = 113200612879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113200645447) 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, 18866774272 + ... + 18866774277.

It is an arithmetic number, because the mean of its divisors is an integer number (37733548550).

Almost surely, 2^113200645647 is an apocalyptic number.

113200645647 is a deficient number, since it is larger than the sum of its proper divisors (37733548553).

113200645647 is an equidigital number, since it uses as much as digits as its factorization.

113200645647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37733548552.

The product of its (nonzero) digits is 120960, while the sum is 39.

Adding to 113200645647 its reverse (746546002311), we get a palindrome (859746647958).

The spelling of 113200645647 in words is "one hundred thirteen billion, two hundred million, six hundred forty-five thousand, six hundred forty-seven".