11211255396 has 36 divisors (see below), whose sum is σ = 30915887184. Its totient is φ = 3397350000.

The previous prime is 11211255389. The next prime is 11211255427. The reversal of 11211255396 is 69355211211.

It is a happy number.

11211255396 is a `hidden beast` number, since 1 + 1 + 2 + 1 + 12 + 553 + 96 = 666.

11211255396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 11211255396.

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 11 ways as a sum of consecutive naturals, for example, 14155230 + ... + 14156021.

It is an arithmetic number, because the mean of its divisors is an integer number (858774644).

Almost surely, 2^11211255396 is an apocalyptic number.

It is an amenable number.

11211255396 is an abundant number, since it is smaller than the sum of its proper divisors (19704631788).

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

11211255396 is a wasteful number, since it uses less digits than its factorization.

11211255396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28311272 (or 28311267 counting only the distinct ones).

The product of its digits is 16200, while the sum is 36.

The spelling of 11211255396 in words is "eleven billion, two hundred eleven million, two hundred fifty-five thousand, three hundred ninety-six".