109238637720 has 64 divisors (see below), whose sum is σ = 330073632000. Its totient is φ = 28920728448.

The previous prime is 109238637719. The next prime is 109238637763. The reversal of 109238637720 is 27736832901.

It is a self number, because there is not a number n which added to its sum of digits gives 109238637720.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 3257860 + ... + 3291219.

It is an arithmetic number, because the mean of its divisors is an integer number (5157400500).

Almost surely, 2^109238637720 is an apocalyptic number.

109238637720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109238637720 is an abundant number, since it is smaller than the sum of its proper divisors (220834994280).

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

109238637720 is a wasteful number, since it uses less digits than its factorization.

109238637720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6549232 (or 6549228 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 48.

The spelling of 109238637720 in words is "one hundred nine billion, two hundred thirty-eight million, six hundred thirty-seven thousand, seven hundred twenty".