720560130885 has 320 divisors, whose sum is σ = 1628098560000. Its totient is φ = 297436478976.

The previous prime is 720560130869. The next prime is 720560130907. The reversal of 720560130885 is 588031065027.

720560130885 is a `hidden beast` number, since 7 + 2 + 0 + 5 + 601 + 30 + 8 + 8 + 5 = 666.

720560130885 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 720560130885 - 2⁴ = 720560130869 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 720560130885.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 123401796 + ... + 123407634.

It is an arithmetic number, because the mean of its divisors is an integer number (5087808000).

Almost surely, 2^720560130885 is an apocalyptic number.

It is an amenable number.

720560130885 is an abundant number, since it is smaller than the sum of its proper divisors (907538429115).

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

720560130885 is a wasteful number, since it uses less digits than its factorization.

720560130885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5990 (or 5981 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 720560130885 in words is "seven hundred twenty billion, five hundred sixty million, one hundred thirty thousand, eight hundred eighty-five".