11504666536 has 32 divisors (see below), whose sum is σ = 23752219680. Its totient is φ = 5180516800.

The previous prime is 11504666527. The next prime is 11504666557. The reversal of 11504666536 is 63566640511.

It is a junction number, because it is equal to n+sod(n) for n = 11504666492 and 11504666501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 601495 + ... + 620326.

It is an arithmetic number, because the mean of its divisors is an integer number (742256865).

Almost surely, 2^11504666536 is an apocalyptic number.

It is an amenable number.

11504666536 is an abundant number, since it is smaller than the sum of its proper divisors (12247553144).

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

11504666536 is a wasteful number, since it uses less digits than its factorization.

11504666536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221945 (or 1221941 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 11504666536 in words is "eleven billion, five hundred four million, six hundred sixty-six thousand, five hundred thirty-six".