11746861056 has 392 divisors, whose sum is σ = 40397332464. Its totient is φ = 3344302080.

The previous prime is 11746861051. The next prime is 11746861079. The reversal of 11746861056 is 65016864711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11746861051) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 41803636 + ... + 41803916.

Almost surely, 2^11746861056 is an apocalyptic number.

11746861056 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 11746861056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20198666232).

11746861056 is an abundant number, since it is smaller than the sum of its proper divisors (28650471408).

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

11746861056 is an frugal number, since it uses more digits than its factorization.

11746861056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 11746861056 in words is "eleven billion, seven hundred forty-six million, eight hundred sixty-one thousand, fifty-six".