50011111099 has 4 divisors (see below), whose sum is σ = 50019314400. Its totient is φ = 50002907800.

The previous prime is 50011111093. The next prime is 50011111121. The reversal of 50011111099 is 99011111005.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50011111099 - 2⁵ = 50011111067 is a prime.

It is a super-2 number, since 2×50011111099² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50011111093) 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 3 ways as a sum of consecutive naturals, for example, 4092499 + ... + 4104700.

It is an arithmetic number, because the mean of its divisors is an integer number (12504828600).

Almost surely, 2^50011111099 is an apocalyptic number.

50011111099 is a deficient number, since it is larger than the sum of its proper divisors (8203301).

50011111099 is an equidigital number, since it uses as much as digits as its factorization.

50011111099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8203300.

The product of its (nonzero) digits is 405, while the sum is 28.

The spelling of 50011111099 in words is "fifty billion, eleven million, one hundred eleven thousand, ninety-nine".