720053911 has 2 divisors, whose sum is σ = 720053912. Its totient is φ = 720053910.

The previous prime is 720053909. The next prime is 720053927. The reversal of 720053911 is 119350027.

It is a weak prime.

It is an emirp because it is prime and its reverse (119350027) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 720053911 - 2¹ = 720053909 is a prime.

Together with 720053909, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 720053911.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (720053941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360026955 + 360026956.

It is an arithmetic number, because the mean of its divisors is an integer number (360026956).

Almost surely, 2^720053911 is an apocalyptic number.

720053911 is a deficient number, since it is larger than the sum of its proper divisors (1).

720053911 is an equidigital number, since it uses as much as digits as its factorization.

720053911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 720053911 is about 26833.8202833663. The cubic root of 720053911 is about 896.3033188468.

The spelling of 720053911 in words is "seven hundred twenty million, fifty-three thousand, nine hundred eleven".