11561652052 has 12 divisors (see below), whose sum is σ = 21112582176. Its totient is φ = 5529485720.

The previous prime is 11561652049. The next prime is 11561652073. The reversal of 11561652052 is 25025616511.

It is a junction number, because it is equal to n+sod(n) for n = 11561651999 and 11561652017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62834974 + ... + 62835157.

It is an arithmetic number, because the mean of its divisors is an integer number (1759381848).

Almost surely, 2^11561652052 is an apocalyptic number.

It is an amenable number.

11561652052 is a deficient number, since it is larger than the sum of its proper divisors (9550930124).

11561652052 is a wasteful number, since it uses less digits than its factorization.

11561652052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125670158 (or 125670156 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 34.

The spelling of 11561652052 in words is "eleven billion, five hundred sixty-one million, six hundred fifty-two thousand, fifty-two".