113444012011 has 4 divisors (see below), whose sum is σ = 123757104024. Its totient is φ = 103130920000.

The previous prime is 113444011979. The next prime is 113444012041. The reversal of 113444012011 is 110210444311.

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

It is a cyclic number.

It is not a de Polignac number, because 113444012011 - 2⁵ = 113444011979 is a prime.

It is a super-2 number, since 2×113444012011² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113444012041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5156545990 + ... + 5156546011.

It is an arithmetic number, because the mean of its divisors is an integer number (30939276006).

Almost surely, 2^113444012011 is an apocalyptic number.

113444012011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

113444012011 is a deficient number, since it is larger than the sum of its proper divisors (10313092013).

113444012011 is a wasteful number, since it uses less digits than its factorization.

113444012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10313092012.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 113444012011 its reverse (110210444311), we get a palindrome (223654456322).

The spelling of 113444012011 in words is "one hundred thirteen billion, four hundred forty-four million, twelve thousand, eleven".