109218643552 has 12 divisors (see below), whose sum is σ = 215024204556. Its totient is φ = 54609321760.

The previous prime is 109218643517. The next prime is 109218643561. The reversal of 109218643552 is 255346812901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1706541274 + ... + 1706541337.

It is an arithmetic number, because the mean of its divisors is an integer number (17918683713).

Almost surely, 2^109218643552 is an apocalyptic number.

It is an amenable number.

109218643552 is a deficient number, since it is larger than the sum of its proper divisors (105805561004).

109218643552 is an equidigital number, since it uses as much as digits as its factorization.

109218643552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3413082621 (or 3413082613 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 109218643552 in words is "one hundred nine billion, two hundred eighteen million, six hundred forty-three thousand, five hundred fifty-two".