19113743843712 has 512 divisors, whose sum is σ = 66115047398400. Its totient is φ = 5322363863040.

The previous prime is 19113743843699. The next prime is 19113743843731. The reversal of 19113743843712 is 21734834731191.

It is a happy number.

19113743843712 is a `hidden beast` number, since 1 + 9 + 1 + 137 + 438 + 4 + 3 + 71 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 479538088 + ... + 479577944.

It is an arithmetic number, because the mean of its divisors is an integer number (129130951950).

Almost surely, 2^{19113743843712} is an apocalyptic number.

19113743843712 is a gapful number since it is divisible by the number (12) 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 19113743843712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33057523699200).

19113743843712 is an abundant number, since it is smaller than the sum of its proper divisors (47001303554688).

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

19113743843712 is a wasteful number, since it uses less digits than its factorization.

19113743843712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40391 (or 40373 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The spelling of 19113743843712 in words is "nineteen trillion, one hundred thirteen billion, seven hundred forty-three million, eight hundred forty-three thousand, seven hundred twelve".