11061521212 has 24 divisors (see below), whose sum is σ = 22342088160. Its totient is φ = 4693713600.

The previous prime is 11061521179. The next prime is 11061521281. The reversal of 11061521212 is 21212516011.

11061521212 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 an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1952887 + ... + 1958542.

It is an arithmetic number, because the mean of its divisors is an integer number (930920340).

Almost surely, 2^11061521212 is an apocalyptic number.

It is an amenable number.

11061521212 is an abundant number, since it is smaller than the sum of its proper divisors (11280566948).

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

11061521212 is a wasteful number, since it uses less digits than its factorization.

11061521212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3911541 (or 3911539 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 22.

The spelling of 11061521212 in words is "eleven billion, sixty-one million, five hundred twenty-one thousand, two hundred twelve".