11669944850 has 12 divisors (see below), whose sum is σ = 21706097514. Its totient is φ = 4667977920.

The previous prime is 11669944829. The next prime is 11669944879. The reversal of 11669944850 is 5844996611.

11669944850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 8495861929 + 3174082921 = 92173^2 + 56339^2 .

It is a super-2 number, since 2×11669944850² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11669944792 and 11669944801.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 116699399 + ... + 116699498.

Almost surely, 2^11669944850 is an apocalyptic number.

11669944850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11669944850 is a deficient number, since it is larger than the sum of its proper divisors (10036152664).

11669944850 is a wasteful number, since it uses less digits than its factorization.

11669944850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233398909 (or 233398904 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 53.

The spelling of 11669944850 in words is "eleven billion, six hundred sixty-nine million, nine hundred forty-four thousand, eight hundred fifty".