113142333505 has 4 divisors (see below), whose sum is σ = 135770800212. Its totient is φ = 90513866800.

The previous prime is 113142333461. The next prime is 113142333509. The reversal of 113142333505 is 505333241311.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 29204075664 + 83938257841 = 170892^2 + 289721^2 .

It is not a de Polignac number, because 113142333505 - 2⁹ = 113142332993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113142333509) 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, 11314233346 + ... + 11314233355.

It is an arithmetic number, because the mean of its divisors is an integer number (33942700053).

Almost surely, 2^113142333505 is an apocalyptic number.

It is an amenable number.

113142333505 is a deficient number, since it is larger than the sum of its proper divisors (22628466707).

113142333505 is an equidigital number, since it uses as much as digits as its factorization.

113142333505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22628466706.

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 113142333505 its reverse (505333241311), we get a palindrome (618475574816).

The spelling of 113142333505 in words is "one hundred thirteen billion, one hundred forty-two million, three hundred thirty-three thousand, five hundred five".