111740613730721 has 8 divisors (see below), whose sum is σ = 114636021618720. Its totient is φ = 108882090019872.

The previous prime is 111740613730621. The next prime is 111740613730751. The reversal of 111740613730721 is 127037316047111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111740613730721 - 2¹⁴ = 111740613714337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111740613730751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9221038151 + ... + 9221050268.

It is an arithmetic number, because the mean of its divisors is an integer number (14329502702340).

Almost surely, 2^{111740613730721} is an apocalyptic number.

It is an amenable number.

111740613730721 is a deficient number, since it is larger than the sum of its proper divisors (2895407887999).

111740613730721 is an equidigital number, since it uses as much as digits as its factorization.

111740613730721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18442088575.

The product of its (nonzero) digits is 148176, while the sum is 44.

Adding to 111740613730721 its reverse (127037316047111), we get a palindrome (238777929777832).

The spelling of 111740613730721 in words is "one hundred eleven trillion, seven hundred forty billion, six hundred thirteen million, seven hundred thirty thousand, seven hundred twenty-one".