11508716791 has 32 divisors (see below), whose sum is σ = 13688168256. Its totient is φ = 9538560000.

The previous prime is 11508716789. The next prime is 11508716809. The reversal of 11508716791 is 19761780511.

It is a cyclic number.

It is not a de Polignac number, because 11508716791 - 2¹ = 11508716789 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 (11508716731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8332921 + ... + 8334301.

It is an arithmetic number, because the mean of its divisors is an integer number (427755258).

Almost surely, 2^11508716791 is an apocalyptic number.

11508716791 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11508716791 is a deficient number, since it is larger than the sum of its proper divisors (2179451465).

11508716791 is a wasteful number, since it uses less digits than its factorization.

11508716791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083.

The product of its (nonzero) digits is 105840, while the sum is 46.

The spelling of 11508716791 in words is "eleven billion, five hundred eight million, seven hundred sixteen thousand, seven hundred ninety-one".