11577528578 has 32 divisors (see below), whose sum is σ = 21974658048. Its totient is φ = 4443397200.

The previous prime is 11577528577. The next prime is 11577528619. The reversal of 11577528578 is 87582577511.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11577528577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 550718 + ... + 571353.

It is an arithmetic number, because the mean of its divisors is an integer number (686708064).

Almost surely, 2^11577528578 is an apocalyptic number.

11577528578 is a deficient number, since it is larger than the sum of its proper divisors (10397129470).

11577528578 is a wasteful number, since it uses less digits than its factorization.

11577528578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122158.

The product of its digits is 5488000, while the sum is 56.

The spelling of 11577528578 in words is "eleven billion, five hundred seventy-seven million, five hundred twenty-eight thousand, five hundred seventy-eight".