720255256085 has 16 divisors (see below), whose sum is σ = 865788310656. Its totient is φ = 575216630208.

The previous prime is 720255256081. The next prime is 720255256157. The reversal of 720255256085 is 580652552027.

It is a cyclic number.

It is not a de Polignac number, because 720255256085 - 2² = 720255256081 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720255256081) by changing a digit.

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, 14854952 + ... + 14903358.

It is an arithmetic number, because the mean of its divisors is an integer number (54111769416).

Almost surely, 2^720255256085 is an apocalyptic number.

It is an amenable number.

720255256085 is a deficient number, since it is larger than the sum of its proper divisors (145533054571).

720255256085 is a wasteful number, since it uses less digits than its factorization.

720255256085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53452.

The product of its (nonzero) digits is 1680000, while the sum is 47.

The spelling of 720255256085 in words is "seven hundred twenty billion, two hundred fifty-five million, two hundred fifty-six thousand, eighty-five".