19085041671872 has 28 divisors (see below), whose sum is σ = 41314777711656. Its totient is φ = 8675018941440.

The previous prime is 19085041671823. The next prime is 19085041671877. The reversal of 19085041671872 is 27817614058091.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (19085041671877) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 13554716393 + ... + 13554717800.

Almost surely, 2^{19085041671872} is an apocalyptic number.

It is an amenable number.

19085041671872 is an abundant number, since it is smaller than the sum of its proper divisors (22229736039784).

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

19085041671872 is a wasteful number, since it uses less digits than its factorization.

19085041671872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27109434216 (or 27109434206 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 59.

The spelling of 19085041671872 in words is "nineteen trillion, eighty-five billion, forty-one million, six hundred seventy-one thousand, eight hundred seventy-two".