11120717571 has 16 divisors (see below), whose sum is σ = 14918162688. Its totient is φ = 7368620000.

The previous prime is 11120717549. The next prime is 11120717623. The reversal of 11120717571 is 17571702111.

11120717571 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11120717571 - 2⁵ = 11120717539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11120717471) 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 in 15 ways as a sum of consecutive naturals, for example, 600196 + ... + 618446.

It is an arithmetic number, because the mean of its divisors is an integer number (932385168).

Almost surely, 2^11120717571 is an apocalyptic number.

11120717571 is a deficient number, since it is larger than the sum of its proper divisors (3797445117).

11120717571 is a wasteful number, since it uses less digits than its factorization.

11120717571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19482.

The product of its (nonzero) digits is 3430, while the sum is 33.

It can be divided in two parts, 111207 and 17571, that added together give a triangular number (128778 = T₅₀₇).

The spelling of 11120717571 in words is "eleven billion, one hundred twenty million, seven hundred seventeen thousand, five hundred seventy-one".