20192919200911 has 8 divisors (see below), whose sum is σ = 20347191661104. Its totient is φ = 20038648680960.

The previous prime is 20192919200897. The next prime is 20192919200953. The reversal of 20192919200911 is 11900291929102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20192919200911 - 2¹⁷ = 20192919069839 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 (20192919200411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25848801 + ... + 26618533.

It is an arithmetic number, because the mean of its divisors is an integer number (2543398957638).

Almost surely, 2^{20192919200911} is an apocalyptic number.

20192919200911 is a deficient number, since it is larger than the sum of its proper divisors (154272460193).

20192919200911 is a wasteful number, since it uses less digits than its factorization.

20192919200911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970121.

The product of its (nonzero) digits is 52488, while the sum is 46.

The spelling of 20192919200911 in words is "twenty trillion, one hundred ninety-two billion, nine hundred nineteen million, two hundred thousand, nine hundred eleven".