109418289280 has 32 divisors (see below), whose sum is σ = 261578099340. Its totient is φ = 43767315456.

The previous prime is 109418289241. The next prime is 109418289293. The reversal of 109418289280 is 82982814901.

It can be written as a sum of positive squares in 2 ways, for example, as 108620339776 + 797949504 = 329576^2 + 28248^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

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, 85482399 + ... + 85483678.

Almost surely, 2^109418289280 is an apocalyptic number.

109418289280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109418289280 is an abundant number, since it is smaller than the sum of its proper divisors (152159810060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109418289280 is an equidigital number, since it uses as much as digits as its factorization.

109418289280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170966096 (or 170966084 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 52.

The spelling of 109418289280 in words is "one hundred nine billion, four hundred eighteen million, two hundred eighty-nine thousand, two hundred eighty".