11851443502080 has 2112 divisors, whose sum is σ = 51366837634560. Its totient is φ = 2303555272704.

The previous prime is 11851443502033. The next prime is 11851443502103. The reversal of 11851443502080 is 8020534415811.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 6878376099 + ... + 6878377821.

Almost surely, 2^{11851443502080} is an apocalyptic number.

11851443502080 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 11851443502080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25683418817280).

11851443502080 is an abundant number, since it is smaller than the sum of its proper divisors (39515394132480).

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

11851443502080 is a wasteful number, since it uses less digits than its factorization.

11851443502080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834 (or 1809 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 42.

Adding to 11851443502080 its reverse (8020534415811), we get a palindrome (19871977917891).

The spelling of 11851443502080 in words is "eleven trillion, eight hundred fifty-one billion, four hundred forty-three million, five hundred two thousand, eighty".