9538155680120 has 64 divisors (see below), whose sum is σ = 21541877216640. Its totient is φ = 3800863360000.

The previous prime is 9538155680117. The next prime is 9538155680161. The reversal of 9538155680120 is 210865518359.

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 in 15 ways as a sum of consecutive naturals, for example, 53311934 + ... + 53490546.

It is an arithmetic number, because the mean of its divisors is an integer number (336591831510).

Almost surely, 2^{9538155680120} is an apocalyptic number.

It is an amenable number.

9538155680120 is an abundant number, since it is smaller than the sum of its proper divisors (12003721536520).

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

9538155680120 is a wasteful number, since it uses less digits than its factorization.

9538155680120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183656 (or 183652 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 53.

The spelling of 9538155680120 in words is "nine trillion, five hundred thirty-eight billion, one hundred fifty-five million, six hundred eighty thousand, one hundred twenty".