113362733721 has 4 divisors (see below), whose sum is σ = 151150311632. Its totient is φ = 75575155812.

The previous prime is 113362733719. The next prime is 113362733761. The reversal of 113362733721 is 127337263311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 127337263311 = 3 ⋅42445754437.

It is not a de Polignac number, because 113362733721 - 2¹ = 113362733719 is a prime.

It is a super-2 number, since 2×113362733721² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113362733721.

It is not an unprimeable number, because it can be changed into a prime (113362733761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18893788951 + ... + 18893788956.

It is an arithmetic number, because the mean of its divisors is an integer number (37787577908).

Almost surely, 2^113362733721 is an apocalyptic number.

It is an amenable number.

113362733721 is a deficient number, since it is larger than the sum of its proper divisors (37787577911).

113362733721 is an equidigital number, since it uses as much as digits as its factorization.

113362733721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37787577910.

The product of its digits is 95256, while the sum is 39.

The spelling of 113362733721 in words is "one hundred thirteen billion, three hundred sixty-two million, seven hundred thirty-three thousand, seven hundred twenty-one".