11021530772 has 48 divisors (see below), whose sum is σ = 22142440320. Its totient is φ = 4702275072.

The previous prime is 11021530769. The next prime is 11021530777. The reversal of 11021530772 is 27703512011.

11021530772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021530777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9813803 + ... + 9814925.

It is an arithmetic number, because the mean of its divisors is an integer number (461300840).

Almost surely, 2^11021530772 is an apocalyptic number.

It is an amenable number.

11021530772 is an abundant number, since it is smaller than the sum of its proper divisors (11120909548).

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

11021530772 is a wasteful number, since it uses less digits than its factorization.

11021530772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2400 (or 2398 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 29.

The spelling of 11021530772 in words is "eleven billion, twenty-one million, five hundred thirty thousand, seven hundred seventy-two".