7120645564711 has 6 divisors (see below), whose sum is σ = 8283199942680. Its totient is φ = 6103410483996.

The previous prime is 7120645564693. The next prime is 7120645564723. The reversal of 7120645564711 is 1174655460217.

It is not a de Polignac number, because 7120645564711 - 2⁹ = 7120645564199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49), and also a Moran number because the ratio is a prime number: 145319297239 = 7120645564711 / (7 + 1 + 2 + 0 + 6 + 4 + 5 + 5 + 6 + 4 + 7 + 1 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7120645564771) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72659648571 + ... + 72659648668.

It is an arithmetic number, because the mean of its divisors is an integer number (1380533323780).

Almost surely, 2^{7120645564711} is an apocalyptic number.

7120645564711 is a deficient number, since it is larger than the sum of its proper divisors (1162554377969).

7120645564711 is a wasteful number, since it uses less digits than its factorization.

7120645564711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145319297253 (or 145319297246 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 49.

The spelling of 7120645564711 in words is "seven trillion, one hundred twenty billion, six hundred forty-five million, five hundred sixty-four thousand, seven hundred eleven".