11764218399 has 16 divisors (see below), whose sum is σ = 16624038240. Its totient is φ = 7374479360.

The previous prime is 11764218371. The next prime is 11764218481. The reversal of 11764218399 is 99381246711.

It is a cyclic number.

It is not a de Polignac number, because 11764218399 - 2⁹ = 11764217887 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11764210399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54594 + ... + 162815.

It is an arithmetic number, because the mean of its divisors is an integer number (1039002390).

Almost surely, 2^11764218399 is an apocalyptic number.

11764218399 is a deficient number, since it is larger than the sum of its proper divisors (4859819841).

11764218399 is a wasteful number, since it uses less digits than its factorization.

11764218399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218490.

The product of its digits is 653184, while the sum is 51.

The spelling of 11764218399 in words is "eleven billion, seven hundred sixty-four million, two hundred eighteen thousand, three hundred ninety-nine".