11803397760 has 640 divisors, whose sum is σ = 52570995840. Its totient is φ = 2451824640.

The previous prime is 11803397737. The next prime is 11803397779. The reversal of 11803397760 is 6779330811.

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

It is a super-3 number, since 3×11803397760³ (a number of 31 digits) contains 333 as substring.

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, 3990202 + ... + 3993158.

It is an arithmetic number, because the mean of its divisors is an integer number (82142181).

Almost surely, 2^11803397760 is an apocalyptic number.

11803397760 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 11803397760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26285497920).

11803397760 is an abundant number, since it is smaller than the sum of its proper divisors (40767598080).

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

11803397760 is a wasteful number, since it uses less digits than its factorization.

11803397760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3006 (or 2985 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The spelling of 11803397760 in words is "eleven billion, eight hundred three million, three hundred ninety-seven thousand, seven hundred sixty".