109418289281 has 8 divisors (see below), whose sum is σ = 125055528960. Its totient is φ = 93782563488.

The previous prime is 109418289241. The next prime is 109418289293. The reversal of 109418289281 is 182982814901.

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 109418289281 - 2⁶ = 109418289217 is a prime.

It is a super-2 number, since 2×109418289281² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109418289241) 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, 219116 + ... + 516573.

It is an arithmetic number, because the mean of its divisors is an integer number (15631941120).

Almost surely, 2^109418289281 is an apocalyptic number.

It is an amenable number.

109418289281 is a deficient number, since it is larger than the sum of its proper divisors (15637239679).

109418289281 is an equidigital number, since it uses as much as digits as its factorization.

109418289281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756943.

The product of its (nonzero) digits is 663552, while the sum is 53.

The spelling of 109418289281 in words is "one hundred nine billion, four hundred eighteen million, two hundred eighty-nine thousand, two hundred eighty-one".