7111720671560 has 32 divisors (see below), whose sum is σ = 16023381716160. Its totient is φ = 2840775343296.

The previous prime is 7111720671521. The next prime is 7111720671577. The reversal of 7111720671560 is 651760271117.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122249474 + ... + 122307633.

It is an arithmetic number, because the mean of its divisors is an integer number (500730678630).

Almost surely, 2^{7111720671560} is an apocalyptic number.

It is an amenable number.

7111720671560 is an abundant number, since it is smaller than the sum of its proper divisors (8911661044600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7111720671560 is a wasteful number, since it uses less digits than its factorization.

7111720671560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244557845 (or 244557841 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 44.

The spelling of 7111720671560 in words is "seven trillion, one hundred eleven billion, seven hundred twenty million, six hundred seventy-one thousand, five hundred sixty".