11277316648 has 64 divisors (see below), whose sum is σ = 23531397120. Its totient is φ = 5031590400.

The previous prime is 11277316637. The next prime is 11277316657. The reversal of 11277316648 is 84661377211.

It is a junction number, because it is equal to n+sod(n) for n = 11277316598 and 11277316607.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5341113 + ... + 5343223.

It is an arithmetic number, because the mean of its divisors is an integer number (367678080).

Almost surely, 2^11277316648 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 11277316648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11765698560).

11277316648 is an abundant number, since it is smaller than the sum of its proper divisors (12254080472).

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

11277316648 is a wasteful number, since it uses less digits than its factorization.

11277316648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3818 (or 3814 counting only the distinct ones).

The product of its digits is 338688, while the sum is 46.

The spelling of 11277316648 in words is "eleven billion, two hundred seventy-seven million, three hundred sixteen thousand, six hundred forty-eight".