11528445433 has 16 divisors (see below), whose sum is σ = 12397568400. Its totient is φ = 10681839616.

The previous prime is 11528445407. The next prime is 11528445437. The reversal of 11528445433 is 33454482511.

It can be written as a sum of positive squares in 8 ways, for example, as 204718864 + 11323726569 = 14308^2 + 106413^2 .

It is a cyclic number.

It is not a de Polignac number, because 11528445433 - 2¹⁷ = 11528314361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11528445437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266091 + ... + 306367.

It is an arithmetic number, because the mean of its divisors is an integer number (774848025).

Almost surely, 2^11528445433 is an apocalyptic number.

It is an amenable number.

11528445433 is a deficient number, since it is larger than the sum of its proper divisors (869122967).

11528445433 is a wasteful number, since it uses less digits than its factorization.

11528445433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40556.

The product of its digits is 230400, while the sum is 40.

The spelling of 11528445433 in words is "eleven billion, five hundred twenty-eight million, four hundred forty-five thousand, four hundred thirty-three".