110381380447681 has 8 divisors (see below), whose sum is σ = 131634938173824. Its totient is φ = 90499019994240.

The previous prime is 110381380447651. The next prime is 110381380447697. The reversal of 110381380447681 is 186744083183011.

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 110381380447681 - 2⁵ = 110381380447649 is a prime.

It is a super-2 number, since 2×110381380447681² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110381380447651) 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, 342799318000 + ... + 342799318321.

It is an arithmetic number, because the mean of its divisors is an integer number (16454367271728).

Almost surely, 2^{110381380447681} is an apocalyptic number.

It is an amenable number.

110381380447681 is a deficient number, since it is larger than the sum of its proper divisors (21253557726143).

110381380447681 is an equidigital number, since it uses as much as digits as its factorization.

110381380447681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685598636351.

The product of its (nonzero) digits is 3096576, while the sum is 55.

The spelling of 110381380447681 in words is "one hundred ten trillion, three hundred eighty-one billion, three hundred eighty million, four hundred forty-seven thousand, six hundred eighty-one".