720801011 has 8 divisors (see below), whose sum is σ = 824098560. Its totient is φ = 617584968.

The previous prime is 720801001. The next prime is 720801013. The reversal of 720801011 is 110108027.

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

It is not a de Polignac number, because 720801011 - 2¹⁰ = 720799987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (720801013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71 + ... + 37968.

It is an arithmetic number, because the mean of its divisors is an integer number (103012320).

Almost surely, 2^720801011 is an apocalyptic number.

720801011 is a deficient number, since it is larger than the sum of its proper divisors (103297549).

720801011 is a wasteful number, since it uses less digits than its factorization.

720801011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40753.

The product of its (nonzero) digits is 112, while the sum is 20.

The square root of 720801011 is about 26847.7375396885. The cubic root of 720801011 is about 896.6132015464.

Adding to 720801011 its reverse (110108027), we get a palindrome (830909038).

The spelling of 720801011 in words is "seven hundred twenty million, eight hundred one thousand, eleven".