11556566650050 has 24 divisors (see below), whose sum is σ = 28660285292496. Its totient is φ = 3081751106640.

The previous prime is 11556566650037. The next prime is 11556566650051. The reversal of 11556566650050 is 5005666565511.

It is a junction number, because it is equal to n+sod(n) for n = 11556566649975 and 11556566650002.

It is not an unprimeable number, because it can be changed into a prime (11556566650051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38521888684 + ... + 38521888983.

It is an arithmetic number, because the mean of its divisors is an integer number (1194178553854).

Almost surely, 2^{11556566650050} is an apocalyptic number.

11556566650050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11556566650050 is an abundant number, since it is smaller than the sum of its proper divisors (17103718642446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11556566650050 is a wasteful number, since it uses less digits than its factorization.

11556566650050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77043777682 (or 77043777677 counting only the distinct ones).

The product of its (nonzero) digits is 4050000, while the sum is 51.

The spelling of 11556566650050 in words is "eleven trillion, five hundred fifty-six billion, five hundred sixty-six million, six hundred fifty thousand, fifty".