11784955699 has 16 divisors (see below), whose sum is σ = 12979572480. Its totient is φ = 10611344160.

The previous prime is 11784955669. The next prime is 11784955709. The reversal of 11784955699 is 99655948711.

It is a cyclic number.

It is not a de Polignac number, because 11784955699 - 2⁵ = 11784955667 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11784955699.

It is not an unprimeable number, because it can be changed into a prime (11784955669) 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, 508537 + ... + 531205.

It is an arithmetic number, because the mean of its divisors is an integer number (811223280).

Almost surely, 2^11784955699 is an apocalyptic number.

11784955699 is a deficient number, since it is larger than the sum of its proper divisors (1194616781).

11784955699 is a wasteful number, since it uses less digits than its factorization.

11784955699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23130.

The product of its digits is 24494400, while the sum is 64.

The spelling of 11784955699 in words is "eleven billion, seven hundred eighty-four million, nine hundred fifty-five thousand, six hundred ninety-nine".