11211320132 has 12 divisors (see below), whose sum is σ = 19799809260. Its totient is φ = 5554231776.

The previous prime is 11211320117. The next prime is 11211320137. The reversal of 11211320132 is 23102311211.

11211320132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8046807616 + 3164512516 = 89704^2 + 56254^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11211320132.

It is not an unprimeable number, because it can be changed into a prime (11211320137) 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 3 ways as a sum of consecutive naturals, for example, 12856583 + ... + 12857454.

It is an arithmetic number, because the mean of its divisors is an integer number (1649984105).

Almost surely, 2^11211320132 is an apocalyptic number.

It is an amenable number.

11211320132 is a deficient number, since it is larger than the sum of its proper divisors (8588489128).

11211320132 is a wasteful number, since it uses less digits than its factorization.

11211320132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25714150 (or 25714148 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11211320132 its reverse (23102311211), we get a palindrome (34313631343).

The spelling of 11211320132 in words is "eleven billion, two hundred eleven million, three hundred twenty thousand, one hundred thirty-two".