19120404112 has 20 divisors (see below), whose sum is σ = 37553261740. Its totient is φ = 9429239808.

The previous prime is 19120404109. The next prime is 19120404181. The reversal of 19120404112 is 21140402191.

It can be written as a sum of positive squares in 2 ways, for example, as 4376616336 + 14743787776 = 66156^2 + 121424^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8183937 + ... + 8186272.

It is an arithmetic number, because the mean of its divisors is an integer number (1877663087).

Almost surely, 2^19120404112 is an apocalyptic number.

It is an amenable number.

19120404112 is a deficient number, since it is larger than the sum of its proper divisors (18432857628).

19120404112 is a wasteful number, since it uses less digits than its factorization.

19120404112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16370290 (or 16370284 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 19120404112 in words is "nineteen billion, one hundred twenty million, four hundred four thousand, one hundred twelve".