19124131104 has 336 divisors, whose sum is σ = 64011326400. Its totient is φ = 5572965888.

The previous prime is 19124131087. The next prime is 19124131109. The reversal of 19124131104 is 40113142191.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (19124131109) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 5760357 + ... + 5763675.

It is an arithmetic number, because the mean of its divisors is an integer number (190509900).

Almost surely, 2^19124131104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19124131104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32005663200).

19124131104 is an abundant number, since it is smaller than the sum of its proper divisors (44887195296).

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

19124131104 is a wasteful number, since it uses less digits than its factorization.

19124131104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3379 (or 3356 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

Adding to 19124131104 its reverse (40113142191), we get a palindrome (59237273295).

The spelling of 19124131104 in words is "nineteen billion, one hundred twenty-four million, one hundred thirty-one thousand, one hundred four".