11526077521 has 32 divisors (see below), whose sum is σ = 14505696000. Its totient is φ = 8934976512.

The previous prime is 11526077509. The next prime is 11526077527. The reversal of 11526077521 is 12577062511.

11526077521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11526077521 - 2⁷ = 11526077393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11526077527) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 326485 + ... + 360061.

It is an arithmetic number, because the mean of its divisors is an integer number (453303000).

Almost surely, 2^11526077521 is an apocalyptic number.

It is an amenable number.

11526077521 is a deficient number, since it is larger than the sum of its proper divisors (2979618479).

11526077521 is a wasteful number, since it uses less digits than its factorization.

11526077521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33721.

The product of its (nonzero) digits is 29400, while the sum is 37.

The spelling of 11526077521 in words is "eleven billion, five hundred twenty-six million, seventy-seven thousand, five hundred twenty-one".