19580558117 has 16 divisors (see below), whose sum is σ = 20439616512. Its totient is φ = 18736911360.

The previous prime is 19580558077. The next prime is 19580558159. The reversal of 19580558117 is 71185508591.

It is a cyclic number.

It is not a de Polignac number, because 19580558117 - 2⁸ = 19580557861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19580558017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 989363 + ... + 1008959.

It is an arithmetic number, because the mean of its divisors is an integer number (1277476032).

Almost surely, 2^19580558117 is an apocalyptic number.

It is an amenable number.

19580558117 is a deficient number, since it is larger than the sum of its proper divisors (859058395).

19580558117 is a wasteful number, since it uses less digits than its factorization.

19580558117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19988.

The product of its (nonzero) digits is 504000, while the sum is 50.

The spelling of 19580558117 in words is "nineteen billion, five hundred eighty million, five hundred fifty-eight thousand, one hundred seventeen".