11213208651056 has 20 divisors (see below), whose sum is σ = 21753197366232. Its totient is φ = 5599480298496.

The previous prime is 11213208651041. The next prime is 11213208651059. The reversal of 11213208651056 is 65015680231211.

It is not an unprimeable number, because it can be changed into a prime (11213208651059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445238705 + ... + 445263888.

Almost surely, 2^{11213208651056} is an apocalyptic number.

11213208651056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11213208651056 is a deficient number, since it is larger than the sum of its proper divisors (10539988715176).

11213208651056 is an equidigital number, since it uses as much as digits as its factorization.

11213208651056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890503388 (or 890503382 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 41.

Adding to 11213208651056 its reverse (65015680231211), we get a palindrome (76228888882267).

The spelling of 11213208651056 in words is "eleven trillion, two hundred thirteen billion, two hundred eight million, six hundred fifty-one thousand, fifty-six".