11534213216 has 24 divisors (see below), whose sum is σ = 22726779264. Its totient is φ = 5762332800.

The previous prime is 11534213209. The next prime is 11534213263. The reversal of 11534213216 is 61231243511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109760 + ... + 187391.

It is an arithmetic number, because the mean of its divisors is an integer number (946949136).

Almost surely, 2^11534213216 is an apocalyptic number.

11534213216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11534213216 is a deficient number, since it is larger than the sum of its proper divisors (11192566048).

11534213216 is a wasteful number, since it uses less digits than its factorization.

11534213216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298374 (or 298366 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

Adding to 11534213216 its reverse (61231243511), we get a palindrome (72765456727).

The spelling of 11534213216 in words is "eleven billion, five hundred thirty-four million, two hundred thirteen thousand, two hundred sixteen".