11712560497 has 4 divisors (see below), whose sum is σ = 12777338736. Its totient is φ = 10647782260.

The previous prime is 11712560459. The next prime is 11712560543. The reversal of 11712560497 is 79406521711.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11712560497 - 2³¹ = 9565076849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11712560417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 532389103 + ... + 532389124.

It is an arithmetic number, because the mean of its divisors is an integer number (3194334684).

Almost surely, 2^11712560497 is an apocalyptic number.

It is an amenable number.

11712560497 is a deficient number, since it is larger than the sum of its proper divisors (1064778239).

11712560497 is a wasteful number, since it uses less digits than its factorization.

11712560497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064778238.

The product of its (nonzero) digits is 105840, while the sum is 43.

The spelling of 11712560497 in words is "eleven billion, seven hundred twelve million, five hundred sixty thousand, four hundred ninety-seven".