11386649799 has 48 divisors (see below), whose sum is σ = 19103565312. Its totient is φ = 6400810944.

The previous prime is 11386649789. The next prime is 11386649837. The reversal of 11386649799 is 99794668311.

11386649799 is a `hidden beast` number, since 1 + 138 + 6 + 6 + 497 + 9 + 9 = 666.

It is not a de Polignac number, because 11386649799 - 2⁷ = 11386649671 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11386649789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4274542 + ... + 4277204.

It is an arithmetic number, because the mean of its divisors is an integer number (397990944).

Almost surely, 2^11386649799 is an apocalyptic number.

11386649799 is a deficient number, since it is larger than the sum of its proper divisors (7716915513).

11386649799 is a wasteful number, since it uses less digits than its factorization.

11386649799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3756 (or 3753 counting only the distinct ones).

The product of its digits is 17635968, while the sum is 63.

The spelling of 11386649799 in words is "eleven billion, three hundred eighty-six million, six hundred forty-nine thousand, seven hundred ninety-nine".