19083888357121 has 27 divisors (see below), whose sum is σ = 22256865658209. Its totient is φ = 16315549830888.

The previous prime is 19083888357119. The next prime is 19083888357179. The reversal of 19083888357121 is 12175388838091.

The square root of 19083888357121 is 4368511.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 19083888357121 - 2¹ = 19083888357119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19083888357181) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 20151940770 + ... + 20151941716.

Almost surely, 2^{19083888357121} is an apocalyptic number.

19083888357121 is the 4368511-st square number.

19083888357121 is the 2184256-th centered octagonal number.

It is an amenable number.

19083888357121 is a deficient number, since it is larger than the sum of its proper divisors (3172977301088).

19083888357121 is an frugal number, since it uses more digits than its factorization.

19083888357121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3226 (or 1613 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 64.

The spelling of 19083888357121 in words is "nineteen trillion, eighty-three billion, eight hundred eighty-eight million, three hundred fifty-seven thousand, one hundred twenty-one".