109897554064 has 45 divisors (see below), whose sum is σ = 214586156883. Its totient is φ = 54523783776.

The previous prime is 109897554043. The next prime is 109897554071. The reversal of 109897554064 is 460455798901.

The square root of 109897554064 is 331508.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

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 8 ways as a sum of consecutive naturals, for example, 237359497 + ... + 237359959.

Almost surely, 2^109897554064 is an apocalyptic number.

109897554064 is the 331508-th square number.

It is an amenable number.

109897554064 is a deficient number, since it is larger than the sum of its proper divisors (104688602819).

109897554064 is an frugal number, since it uses more digits than its factorization.

109897554064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292 (or 644 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 58.

The spelling of 109897554064 in words is "one hundred nine billion, eight hundred ninety-seven million, five hundred fifty-four thousand, sixty-four".