19549027113000 has 768 divisors, whose sum is σ = 77530102041600. Its totient is φ = 4055365440000.

The previous prime is 19549027112983. The next prime is 19549027113019. The reversal of 19549027113000 is 31172094591.

It is a super-2 number, since 2×19549027113000² (a number of 27 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1000913235 + ... + 1000932765.

It is an arithmetic number, because the mean of its divisors is an integer number (100950653700).

Almost surely, 2^{19549027113000} is an apocalyptic number.

19549027113000 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 19549027113000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38765051020800).

19549027113000 is an abundant number, since it is smaller than the sum of its proper divisors (57981074928600).

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

19549027113000 is a wasteful number, since it uses less digits than its factorization.

19549027113000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20199 (or 20178 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 42.

The spelling of 19549027113000 in words is "nineteen trillion, five hundred forty-nine billion, twenty-seven million, one hundred thirteen thousand".