19058325121 has 4 divisors (see below), whose sum is σ = 20790900144. Its totient is φ = 17325750100.

The previous prime is 19058325119. The next prime is 19058325191. The reversal of 19058325121 is 12152385091.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 19058325121 - 2¹ = 19058325119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19058325191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 866287495 + ... + 866287516.

It is an arithmetic number, because the mean of its divisors is an integer number (5197725036).

Almost surely, 2^19058325121 is an apocalyptic number.

19058325121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

19058325121 is a deficient number, since it is larger than the sum of its proper divisors (1732575023).

19058325121 is a wasteful number, since it uses less digits than its factorization.

19058325121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732575022.

The product of its (nonzero) digits is 21600, while the sum is 37.

The spelling of 19058325121 in words is "nineteen billion, fifty-eight million, three hundred twenty-five thousand, one hundred twenty-one".