109612642084 has 81 divisors (see below), whose sum is σ = 214392870643. Its totient is φ = 48999544000.

The previous prime is 109612642063. The next prime is 109612642123. The reversal of 109612642084 is 480246216901.

The square root of 109612642084 is 331078.

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

It can be written as a sum of positive squares in 4 ways, for example, as 2448072484 + 107164569600 = 49478^2 + 327360^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 109612642084.

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 26 ways as a sum of consecutive naturals, for example, 735655242 + ... + 735655390.

Almost surely, 2^109612642084 is an apocalyptic number.

109612642084 is the 331078-th square number.

It is an amenable number.

109612642084 is a deficient number, since it is larger than the sum of its proper divisors (104780228559).

109612642084 is a wasteful number, since it uses less digits than its factorization.

109612642084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

Adding to 109612642084 its reverse (480246216901), we get a palindrome (589858858985).

The spelling of 109612642084 in words is "one hundred nine billion, six hundred twelve million, six hundred forty-two thousand, eighty-four".