11807391697 has 8 divisors (see below), whose sum is σ = 12087046080. Its totient is φ = 11530388400.

The previous prime is 11807391677. The next prime is 11807391703. The reversal of 11807391697 is 79619370811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11807391697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11807391647) by changing a digit.

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, 653758 + ... + 671575.

It is an arithmetic number, because the mean of its divisors is an integer number (1510880760).

Almost surely, 2^11807391697 is an apocalyptic number.

It is an amenable number.

11807391697 is a deficient number, since it is larger than the sum of its proper divisors (279654383).

11807391697 is a wasteful number, since it uses less digits than its factorization.

11807391697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325543.

The product of its (nonzero) digits is 571536, while the sum is 52.

The spelling of 11807391697 in words is "eleven billion, eight hundred seven million, three hundred ninety-one thousand, six hundred ninety-seven".