11566357132 has 48 divisors (see below), whose sum is σ = 22778542080. Its totient is φ = 5093985600.

The previous prime is 11566357081. The next prime is 11566357157. The reversal of 11566357132 is 23175366511.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147669 + ... + 211987.

It is an arithmetic number, because the mean of its divisors is an integer number (474552960).

Almost surely, 2^11566357132 is an apocalyptic number.

It is an amenable number.

11566357132 is a deficient number, since it is larger than the sum of its proper divisors (11212184948).

11566357132 is a wasteful number, since it uses less digits than its factorization.

11566357132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64462 (or 64460 counting only the distinct ones).

The product of its digits is 113400, while the sum is 40.

The spelling of 11566357132 in words is "eleven billion, five hundred sixty-six million, three hundred fifty-seven thousand, one hundred thirty-two".