110643147642489 has 128 divisors (see below), whose sum is σ = 200373876817920. Its totient is φ = 52557734649600.

The previous prime is 110643147642463. The next prime is 110643147642593. The reversal of 110643147642489 is 984246741346011.

It is not a de Polignac number, because 110643147642489 - 2⁸ = 110643147642233 is a prime.

It is a super-2 number, since 2×110643147642489² (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (110643145642489) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 51048979 + ... + 53172215.

It is an arithmetic number, because the mean of its divisors is an integer number (1565420912640).

Almost surely, 2^{110643147642489} is an apocalyptic number.

110643147642489 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

110643147642489 is a deficient number, since it is larger than the sum of its proper divisors (89730729175431).

110643147642489 is a wasteful number, since it uses less digits than its factorization.

110643147642489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123691.

The product of its (nonzero) digits is 27869184, while the sum is 60.

The spelling of 110643147642489 in words is "one hundred ten trillion, six hundred forty-three billion, one hundred forty-seven million, six hundred forty-two thousand, four hundred eighty-nine".