11504306216 has 32 divisors (see below), whose sum is σ = 23346624000. Its totient is φ = 5282988480.

The previous prime is 11504306213. The next prime is 11504306237. The reversal of 11504306216 is 61260340511.

It is a happy number.

It is a super-2 number, since 2×11504306216² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11504306213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257240 + ... + 298631.

It is an arithmetic number, because the mean of its divisors is an integer number (729582000).

Almost surely, 2^11504306216 is an apocalyptic number.

It is an amenable number.

11504306216 is an abundant number, since it is smaller than the sum of its proper divisors (11842317784).

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

11504306216 is a wasteful number, since it uses less digits than its factorization.

11504306216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556089 (or 556085 counting only the distinct ones).

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

Adding to 11504306216 its reverse (61260340511), we get a palindrome (72764646727).

The spelling of 11504306216 in words is "eleven billion, five hundred four million, three hundred six thousand, two hundred sixteen".