11212204535 has 64 divisors (see below), whose sum is σ = 16150717440. Its totient is φ = 7312343040.

The previous prime is 11212204517. The next prime is 11212204543. The reversal of 11212204535 is 53540221211.

It is not a de Polignac number, because 11212204535 - 2¹⁴ = 11212188151 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19635800 + ... + 19636370.

It is an arithmetic number, because the mean of its divisors is an integer number (252354960).

Almost surely, 2^11212204535 is an apocalyptic number.

11212204535 is a deficient number, since it is larger than the sum of its proper divisors (4938512905).

11212204535 is a wasteful number, since it uses less digits than its factorization.

11212204535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 11212204535 its reverse (53540221211), we get a palindrome (64752425746).

The spelling of 11212204535 in words is "eleven billion, two hundred twelve million, two hundred four thousand, five hundred thirty-five".