11687066499 has 8 divisors (see below), whose sum is σ = 15584320512. Its totient is φ = 7790595080.

The previous prime is 11687066477. The next prime is 11687066509. The reversal of 11687066499 is 99466078611.

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

It is a cyclic number.

It is not a de Polignac number, because 11687066499 - 2¹⁵ = 11687033731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11687066099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159867 + ... + 221204.

It is an arithmetic number, because the mean of its divisors is an integer number (1948040064).

Almost surely, 2^11687066499 is an apocalyptic number.

11687066499 is a deficient number, since it is larger than the sum of its proper divisors (3897254013).

11687066499 is a wasteful number, since it uses less digits than its factorization.

11687066499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391297.

The product of its (nonzero) digits is 3919104, while the sum is 57.

The spelling of 11687066499 in words is "eleven billion, six hundred eighty-seven million, sixty-six thousand, four hundred ninety-nine".