50990011109 has 8 divisors (see below), whose sum is σ = 51102336000. Its totient is φ = 50877727776.

The previous prime is 50990011027. The next prime is 50990011129. The reversal of 50990011109 is 90111009905.

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 50990011109 - 2⁸ = 50990010853 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 (50990011129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4656689 + ... + 4667625.

It is an arithmetic number, because the mean of its divisors is an integer number (6387792000).

Almost surely, 2^50990011109 is an apocalyptic number.

It is an amenable number.

50990011109 is a deficient number, since it is larger than the sum of its proper divisors (112324891).

50990011109 is a wasteful number, since it uses less digits than its factorization.

50990011109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20779.

The product of its (nonzero) digits is 3645, while the sum is 35.

The spelling of 50990011109 in words is "fifty billion, nine hundred ninety million, eleven thousand, one hundred nine".