11212533542 has 32 divisors (see below), whose sum is σ = 19680959232. Its totient is φ = 4690645344.

The previous prime is 11212533533. The next prime is 11212533569. The reversal of 11212533542 is 24533521211.

11212533542 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 15 ways as a sum of consecutive naturals, for example, 1124993 + ... + 1134915.

It is an arithmetic number, because the mean of its divisors is an integer number (615029976).

Almost surely, 2^11212533542 is an apocalyptic number.

11212533542 is a deficient number, since it is larger than the sum of its proper divisors (8468425690).

11212533542 is a wasteful number, since it uses less digits than its factorization.

11212533542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11852.

The product of its digits is 7200, while the sum is 29.

The spelling of 11212533542 in words is "eleven billion, two hundred twelve million, five hundred thirty-three thousand, five hundred forty-two".