11527516805 has 24 divisors (see below), whose sum is σ = 16433860608. Its totient is φ = 7736392608.

The previous prime is 11527516789. The next prime is 11527516813. The reversal of 11527516805 is 50861572511.

It is not a de Polignac number, because 11527516805 - 2⁴ = 11527516789 is a prime.

It is a Duffinian number.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 489029 + ... + 512058.

It is an arithmetic number, because the mean of its divisors is an integer number (684744192).

Almost surely, 2^11527516805 is an apocalyptic number.

It is an amenable number.

11527516805 is a deficient number, since it is larger than the sum of its proper divisors (4906343803).

11527516805 is a wasteful number, since it uses less digits than its factorization.

11527516805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001153 (or 1001146 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 41.

The spelling of 11527516805 in words is "eleven billion, five hundred twenty-seven million, five hundred sixteen thousand, eight hundred five".