11561652050 has 48 divisors (see below), whose sum is σ = 23217154632. Its totient is φ = 4258176000.

The previous prime is 11561652049. The next prime is 11561652073. The reversal of 11561652050 is 5025616511.

11561652050 is digitally balanced in base 5, 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 12 ways, for example, as 4426640089 + 7135011961 = 66533^2 + 84469^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11561651998 and 11561652016.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 238472 + ... + 282828.

Almost surely, 2^11561652050 is an apocalyptic number.

11561652050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11561652050 is an abundant number, since it is smaller than the sum of its proper divisors (11655502582).

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

11561652050 is a wasteful number, since it uses less digits than its factorization.

11561652050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44783 (or 44778 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 32.

The spelling of 11561652050 in words is "eleven billion, five hundred sixty-one million, six hundred fifty-two thousand, fifty".