11973596019840 has 768 divisors, whose sum is σ = 51254194118400. Its totient is φ = 2508107120640.

The previous prime is 11973596019823. The next prime is 11973596019881. The reversal of 11973596019840 is 4891069537911.

11973596019840 is a `hidden beast` number, since 1 + 1 + 97 + 359 + 6 + 0 + 198 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 72776070 + ... + 72940410.

It is an arithmetic number, because the mean of its divisors is an integer number (66737231925).

Almost surely, 2^{11973596019840} is an apocalyptic number.

11973596019840 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 11973596019840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25627097059200).

11973596019840 is an abundant number, since it is smaller than the sum of its proper divisors (39280598098560).

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

11973596019840 is a wasteful number, since it uses less digits than its factorization.

11973596019840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164525 (or 164510 counting only the distinct ones).

The product of its (nonzero) digits is 14696640, while the sum is 63.

The spelling of 11973596019840 in words is "eleven trillion, nine hundred seventy-three billion, five hundred ninety-six million, nineteen thousand, eight hundred forty".