19061340556 has 12 divisors (see below), whose sum is σ = 33663377440. Its totient is φ = 9443232720.

The previous prime is 19061340547. The next prime is 19061340583. The reversal of 19061340556 is 65504316091.

It is a happy number.

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, 21858900 + ... + 21859771.

Almost surely, 2^19061340556 is an apocalyptic number.

It is an amenable number.

19061340556 is a deficient number, since it is larger than the sum of its proper divisors (14602036884).

19061340556 is a wasteful number, since it uses less digits than its factorization.

19061340556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43718784 (or 43718782 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 40.

The spelling of 19061340556 in words is "nineteen billion, sixty-one million, three hundred forty thousand, five hundred fifty-six".