11601165050 has 12 divisors (see below), whose sum is σ = 21578167086. Its totient is φ = 4640466000.

The previous prime is 11601165049. The next prime is 11601165067. The reversal of 11601165050 is 5056110611.

It can be written as a sum of positive squares in 3 ways, for example, as 11189196841 + 411968209 = 105779^2 + 20297^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 116011601 + ... + 116011700.

Almost surely, 2^11601165050 is an apocalyptic number.

11601165050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11601165050 is a deficient number, since it is larger than the sum of its proper divisors (9977002036).

11601165050 is a wasteful number, since it uses less digits than its factorization.

11601165050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232023313 (or 232023308 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 26.

Adding to 11601165050 its reverse (5056110611), we get a palindrome (16657275661).

The spelling of 11601165050 in words is "eleven billion, six hundred one million, one hundred sixty-five thousand, fifty".