19054018937856 has 528 divisors, whose sum is σ = 60739293932352. Its totient is φ = 5291841945600.

The previous prime is 19054018937831. The next prime is 19054018937911. The reversal of 19054018937856 is 65873981045091.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1734227595 + ... + 1734238581.

Almost surely, 2^{19054018937856} is an apocalyptic number.

19054018937856 is a gapful number since it is divisible by the number (16) 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 19054018937856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30369646966176).

19054018937856 is an abundant number, since it is smaller than the sum of its proper divisors (41685274994496).

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

19054018937856 is a wasteful number, since it uses less digits than its factorization.

19054018937856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11346 (or 11321 counting only the distinct ones).

The product of its (nonzero) digits is 65318400, while the sum is 66.

The spelling of 19054018937856 in words is "nineteen trillion, fifty-four billion, eighteen million, nine hundred thirty-seven thousand, eight hundred fifty-six".