11556126536 has 16 divisors (see below), whose sum is σ = 21669648000. Its totient is φ = 5777553744.

The previous prime is 11556126523. The next prime is 11556126563. The reversal of 11556126536 is 63562165511.

11556126536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11556126493 and 11556126502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43265 + ... + 158063.

It is an arithmetic number, because the mean of its divisors is an integer number (1354353000).

Almost surely, 2^11556126536 is an apocalyptic number.

It is an amenable number.

11556126536 is a deficient number, since it is larger than the sum of its proper divisors (10113521464).

11556126536 is a wasteful number, since it uses less digits than its factorization.

11556126536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127388 (or 127384 counting only the distinct ones).

The product of its digits is 162000, while the sum is 41.

The spelling of 11556126536 in words is "eleven billion, five hundred fifty-six million, one hundred twenty-six thousand, five hundred thirty-six".