19097122142880 has 144 divisors (see below), whose sum is σ = 66273487731360. Its totient is φ = 5006251206144.

The previous prime is 19097122142863. The next prime is 19097122142899. The reversal of 19097122142880 is 8824122179091.

19097122142880 is a `hidden beast` number, since 1 + 9 + 0 + 97 + 122 + 1 + 428 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112303942 + ... + 112473861.

It is an arithmetic number, because the mean of its divisors is an integer number (460232553690).

Almost surely, 2^{19097122142880} is an apocalyptic number.

19097122142880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19097122142880 is an abundant number, since it is smaller than the sum of its proper divisors (47176365588480).

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

19097122142880 is a wasteful number, since it uses less digits than its factorization.

19097122142880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224777883 (or 224777872 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 54.

The spelling of 19097122142880 in words is "nineteen trillion, ninety-seven billion, one hundred twenty-two million, one hundred forty-two thousand, eight hundred eighty".