11894117760 has 640 divisors, whose sum is σ = 49318632000. Its totient is φ = 2675441664.

The previous prime is 11894117759. The next prime is 11894117783. The reversal of 11894117760 is 6771149811.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 26490016 + ... + 26490464.

Almost surely, 2^11894117760 is an apocalyptic number.

11894117760 is a gapful number since it is divisible by the number (10) 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 11894117760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24659316000).

11894117760 is an abundant number, since it is smaller than the sum of its proper divisors (37424514240).

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

11894117760 is an equidigital number, since it uses as much as digits as its factorization.

11894117760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560 (or 539 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 45.

The spelling of 11894117760 in words is "eleven billion, eight hundred ninety-four million, one hundred seventeen thousand, seven hundred sixty".