11555605052 has 12 divisors (see below), whose sum is σ = 20603862216. Its totient is φ = 5668787280.

The previous prime is 11555605049. The next prime is 11555605069. The reversal of 11555605052 is 25050655511.

It is a happy number.

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, 27253574 + ... + 27253997.

It is an arithmetic number, because the mean of its divisors is an integer number (1716988518).

Almost surely, 2^11555605052 is an apocalyptic number.

It is an amenable number.

11555605052 is a deficient number, since it is larger than the sum of its proper divisors (9048257164).

11555605052 is a wasteful number, since it uses less digits than its factorization.

11555605052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54507628 (or 54507626 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 35.

The spelling of 11555605052 in words is "eleven billion, five hundred fifty-five million, six hundred five thousand, fifty-two".