720605551201 has 8 divisors (see below), whose sum is σ = 725298948864. Its totient is φ = 715926618000.

The previous prime is 720605551187. The next prime is 720605551217. The reversal of 720605551201 is 102155506027.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 720605551201 - 2⁷ = 720605551073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (720605551271) 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 7 ways as a sum of consecutive naturals, for example, 3516145 + ... + 3715438.

It is an arithmetic number, because the mean of its divisors is an integer number (90662368608).

Almost surely, 2^720605551201 is an apocalyptic number.

It is an amenable number.

720605551201 is a deficient number, since it is larger than the sum of its proper divisors (4693397663).

720605551201 is a wasteful number, since it uses less digits than its factorization.

720605551201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7232231.

The product of its (nonzero) digits is 21000, while the sum is 34.

The spelling of 720605551201 in words is "seven hundred twenty billion, six hundred five million, five hundred fifty-one thousand, two hundred one".