113443043011 has 4 divisors (see below), whose sum is σ = 113443818624. Its totient is φ = 113442267400.

The previous prime is 113443042961. The next prime is 113443043017. The reversal of 113443043011 is 110340344311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 113443043011 - 2¹³ = 113443034819 is a prime.

It is a super-2 number, since 2×113443043011² (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 (113443043017) 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, 94435 + ... + 485596.

It is an arithmetic number, because the mean of its divisors is an integer number (28360954656).

Almost surely, 2^113443043011 is an apocalyptic number.

113443043011 is a deficient number, since it is larger than the sum of its proper divisors (775613).

113443043011 is an equidigital number, since it uses as much as digits as its factorization.

113443043011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775612.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 113443043011 its reverse (110340344311), we get a palindrome (223783387322).

The spelling of 113443043011 in words is "one hundred thirteen billion, four hundred forty-three million, forty-three thousand, eleven".