11998891175760 has 200 divisors, whose sum is σ = 41702919413760. Its totient is φ = 3197478267648.

The previous prime is 11998891175759. The next prime is 11998891175767. The reversal of 11998891175760 is 6757119889911.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11998891175767) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8681329 + ... + 9968111.

Almost surely, 2^{11998891175760} is an apocalyptic number.

11998891175760 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 11998891175760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20851459706880).

11998891175760 is an abundant number, since it is smaller than the sum of its proper divisors (29704028238000).

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

11998891175760 is a wasteful number, since it uses less digits than its factorization.

11998891175760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288247 (or 1288232 counting only the distinct ones).

The product of its (nonzero) digits is 68584320, while the sum is 72.

The spelling of 11998891175760 in words is "eleven trillion, nine hundred ninety-eight billion, eight hundred ninety-one million, one hundred seventy-five thousand, seven hundred sixty".