720670725011 has 4 divisors (see below), whose sum is σ = 720731640312. Its totient is φ = 720609809712.

The previous prime is 720670724999. The next prime is 720670725023. The reversal of 720670725011 is 110527076027.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (720670724999) and next prime (720670725023).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-720670725011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (720670725091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30439901 + ... + 30463566.

It is an arithmetic number, because the mean of its divisors is an integer number (180182910078).

Almost surely, 2^720670725011 is an apocalyptic number.

720670725011 is a deficient number, since it is larger than the sum of its proper divisors (60915301).

720670725011 is a wasteful number, since it uses less digits than its factorization.

720670725011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60915300.

The product of its (nonzero) digits is 41160, while the sum is 38.

The spelling of 720670725011 in words is "seven hundred twenty billion, six hundred seventy million, seven hundred twenty-five thousand, eleven".