11766407397 has 8 divisors (see below), whose sum is σ = 15698312256. Its totient is φ = 7839387072.

The previous prime is 11766407363. The next prime is 11766407467. The reversal of 11766407397 is 79370466711.

11766407397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11766407397 - 2²⁰ = 11765358821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11766407327) 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 7 ways as a sum of consecutive naturals, for example, 1215508 + ... + 1225149.

It is an arithmetic number, because the mean of its divisors is an integer number (1962289032).

Almost surely, 2^11766407397 is an apocalyptic number.

It is an amenable number.

11766407397 is a deficient number, since it is larger than the sum of its proper divisors (3931904859).

11766407397 is a wasteful number, since it uses less digits than its factorization.

11766407397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2442267.

The product of its (nonzero) digits is 1333584, while the sum is 51.

The spelling of 11766407397 in words is "eleven billion, seven hundred sixty-six million, four hundred seven thousand, three hundred ninety-seven".