120543615504 has 600 divisors, whose sum is σ = 420456491840. Its totient is φ = 33045884928.

The previous prime is 120543615499. The next prime is 120543615539. The reversal of 120543615504 is 405516345021.

120543615504 is a `hidden beast` number, since 1 + 2 + 0 + 5 + 43 + 61 + 550 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 92511717 + ... + 92513019.

Almost surely, 2^120543615504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120543615504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210228245920).

120543615504 is an abundant number, since it is smaller than the sum of its proper divisors (299912876336).

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

120543615504 is a wasteful number, since it uses less digits than its factorization.

120543615504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389 (or 1357 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 120543615504 in words is "one hundred twenty billion, five hundred forty-three million, six hundred fifteen thousand, five hundred four".