19112112673434 has 192 divisors, whose sum is σ = 46967027627520. Its totient is φ = 5776753464000.

The previous prime is 19112112673373. The next prime is 19112112673483. The reversal of 19112112673434 is 43437621121191.

19112112673434 is a `hidden beast` number, since 1 + 9 + 1 + 1 + 21 + 126 + 73 + 434 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 19112112673434.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6779747677 + ... + 6779750495.

It is an arithmetic number, because the mean of its divisors is an integer number (244619935560).

Almost surely, 2^{19112112673434} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19112112673434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23483513813760).

19112112673434 is an abundant number, since it is smaller than the sum of its proper divisors (27854914954086).

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

19112112673434 is a wasteful number, since it uses less digits than its factorization.

19112112673434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5639 (or 5627 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The spelling of 19112112673434 in words is "nineteen trillion, one hundred twelve billion, one hundred twelve million, six hundred seventy-three thousand, four hundred thirty-four".