720461813711 has 4 divisors (see below), whose sum is σ = 722181293400. Its totient is φ = 718742334024.

The previous prime is 720461813671. The next prime is 720461813723. The reversal of 720461813711 is 117318164027.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 117318164027 = 339161 ⋅345907.

It is a cyclic number.

It is not a de Polignac number, because 720461813711 - 2³⁰ = 719388071887 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 (720461813761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 859739216 + ... + 859740053.

It is an arithmetic number, because the mean of its divisors is an integer number (180545323350).

Almost surely, 2^720461813711 is an apocalyptic number.

720461813711 is a deficient number, since it is larger than the sum of its proper divisors (1719479689).

720461813711 is a wasteful number, since it uses less digits than its factorization.

720461813711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1719479688.

The product of its (nonzero) digits is 56448, while the sum is 41.

Adding to 720461813711 its reverse (117318164027), we get a palindrome (837779977738).

The spelling of 720461813711 in words is "seven hundred twenty billion, four hundred sixty-one million, eight hundred thirteen thousand, seven hundred eleven".