11528669441 has 8 divisors (see below), whose sum is σ = 11729071464. Its totient is φ = 11328635520.

The previous prime is 11528669429. The next prime is 11528669491. The reversal of 11528669441 is 14496682511.

It can be written as a sum of positive squares in 4 ways, for example, as 3463911025 + 8064758416 = 58855^2 + 89804^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11528669441 - 2⁶ = 11528669377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11528669401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28466 + ... + 154491.

It is an arithmetic number, because the mean of its divisors is an integer number (1466133933).

Almost surely, 2^11528669441 is an apocalyptic number.

It is an amenable number.

11528669441 is a deficient number, since it is larger than the sum of its proper divisors (200402023).

11528669441 is a wasteful number, since it uses less digits than its factorization.

11528669441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184051.

The product of its digits is 414720, while the sum is 47.

The spelling of 11528669441 in words is "eleven billion, five hundred twenty-eight million, six hundred sixty-nine thousand, four hundred forty-one".