11056657612 has 384 divisors, whose sum is σ = 29262643200. Its totient is φ = 3512678400.

The previous prime is 11056657609. The next prime is 11056657649. The reversal of 11056657612 is 21675665011.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 124232064 + ... + 124232152.

It is an arithmetic number, because the mean of its divisors is an integer number (76204800).

Almost surely, 2^11056657612 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 11056657612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14631321600).

11056657612 is an abundant number, since it is smaller than the sum of its proper divisors (18205985588).

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

11056657612 is a wasteful number, since it uses less digits than its factorization.

11056657612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 40.

The spelling of 11056657612 in words is "eleven billion, fifty-six million, six hundred fifty-seven thousand, six hundred twelve".