11535503312 has 20 divisors (see below), whose sum is σ = 22356069120. Its totient is φ = 5766195168.

The previous prime is 11535503281. The next prime is 11535503351. The reversal of 11535503312 is 21330553511.

It is a happy number.

It is a super-2 number, since 2×11535503312² (a number of 21 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 34928 + ... + 155855.

It is an arithmetic number, because the mean of its divisors is an integer number (1117803456).

Almost surely, 2^11535503312 is an apocalyptic number.

It is an amenable number.

11535503312 is a deficient number, since it is larger than the sum of its proper divisors (10820565808).

11535503312 is a wasteful number, since it uses less digits than its factorization.

11535503312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194570 (or 194564 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 29.

The spelling of 11535503312 in words is "eleven billion, five hundred thirty-five million, five hundred three thousand, three hundred twelve".