11043535132 has 72 divisors (see below), whose sum is σ = 22767112368. Its totient is φ = 4673088000.

The previous prime is 11043535093. The next prime is 11043535147. The reversal of 11043535132 is 23153534011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 11043535132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11303028 + ... + 11304004.

It is an arithmetic number, because the mean of its divisors is an integer number (316209894).

Almost surely, 2^11043535132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11043535132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11383556184).

11043535132 is an abundant number, since it is smaller than the sum of its proper divisors (11723577236).

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

11043535132 is a wasteful number, since it uses less digits than its factorization.

11043535132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667 (or 1658 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The spelling of 11043535132 in words is "eleven billion, forty-three million, five hundred thirty-five thousand, one hundred thirty-two".