11266215156 has 240 divisors, whose sum is σ = 34472059776. Its totient is φ = 3142250496.

The previous prime is 11266215109. The next prime is 11266215203. The reversal of 11266215156 is 65151266211.

11266215156 is a `hidden beast` number, since 1 + 1 + 26 + 621 + 5 + 1 + 5 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (11266215109) and next prime (11266215203).

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

It is a self number, because there is not a number n which added to its sum of digits gives 11266215156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 18259360 + ... + 18259976.

Almost surely, 2^11266215156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11266215156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17236029888).

11266215156 is an abundant number, since it is smaller than the sum of its proper divisors (23205844620).

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

11266215156 is a wasteful number, since it uses less digits than its factorization.

11266215156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820 (or 809 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The spelling of 11266215156 in words is "eleven billion, two hundred sixty-six million, two hundred fifteen thousand, one hundred fifty-six".