113213043230505 has 64 divisors (see below), whose sum is σ = 194636639232000. Its totient is φ = 55988045245440.

The previous prime is 113213043230501. The next prime is 113213043230543. The reversal of 113213043230505 is 505032340312311.

It is not a de Polignac number, because 113213043230505 - 2² = 113213043230501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113213043230501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23094036 + ... + 27563754.

It is an arithmetic number, because the mean of its divisors is an integer number (3041197488000).

Almost surely, 2^{113213043230505} is an apocalyptic number.

113213043230505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113213043230505 is a deficient number, since it is larger than the sum of its proper divisors (81423596001495).

113213043230505 is a wasteful number, since it uses less digits than its factorization.

113213043230505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4471214.

The product of its (nonzero) digits is 32400, while the sum is 33.

Adding to 113213043230505 its reverse (505032340312311), we get a palindrome (618245383542816).

The spelling of 113213043230505 in words is "one hundred thirteen trillion, two hundred thirteen billion, forty-three million, two hundred thirty thousand, five hundred five".