11528133448 has 16 divisors (see below), whose sum is σ = 23277961980. Its totient is φ = 5320676928.

The previous prime is 11528133443. The next prime is 11528133451. The reversal of 11528133448 is 84433182511.

It can be written as a sum of positive squares in 2 ways, for example, as 11422906884 + 105226564 = 106878^2 + 10258^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11528133448.

It is not an unprimeable number, because it can be changed into a prime (11528133443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55423615 + ... + 55423822.

Almost surely, 2^11528133448 is an apocalyptic number.

It is an amenable number.

11528133448 is an abundant number, since it is smaller than the sum of its proper divisors (11749828532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11528133448 is a wasteful number, since it uses less digits than its factorization.

11528133448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110847456 (or 110847452 counting only the distinct ones).

The product of its digits is 92160, while the sum is 40.

The spelling of 11528133448 in words is "eleven billion, five hundred twenty-eight million, one hundred thirty-three thousand, four hundred forty-eight".