11219265216 has 168 divisors, whose sum is σ = 32722027520. Its totient is φ = 3674750976.

The previous prime is 11219265193. The next prime is 11219265221. The reversal of 11219265216 is 61256291211.

11219265216 is a `hidden beast` number, since 1 + 121 + 9 + 2 + 6 + 521 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8771265 + ... + 8772543.

Almost surely, 2^11219265216 is an apocalyptic number.

11219265216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11219265216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16361013760).

11219265216 is an abundant number, since it is smaller than the sum of its proper divisors (21502762304).

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

11219265216 is a wasteful number, since it uses less digits than its factorization.

11219265216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551 (or 1538 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The spelling of 11219265216 in words is "eleven billion, two hundred nineteen million, two hundred sixty-five thousand, two hundred sixteen".