10911143268 has 72 divisors (see below), whose sum is σ = 28714664888. Its totient is φ = 3490242048.

The previous prime is 10911143267. The next prime is 10911143273. The reversal of 10911143268 is 86234111901.

10911143268 is a `hidden beast` number, since 109 + 111 + 432 + 6 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3202654464 + 7708488804 = 56592^2 + 87798^2 .

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

It is not an unprimeable number, because it can be changed into a prime (10911143267) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41130 + ... + 153342.

Almost surely, 2^10911143268 is an apocalyptic number.

10911143268 is a gapful number since it is divisible by the number (18) 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 10911143268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14357332444).

10911143268 is an abundant number, since it is smaller than the sum of its proper divisors (17803521620).

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

10911143268 is a wasteful number, since it uses less digits than its factorization.

10911143268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112333 (or 112328 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The spelling of 10911143268 in words is "ten billion, nine hundred eleven million, one hundred forty-three thousand, two hundred sixty-eight".