50505050111 has 4 divisors (see below), whose sum is σ = 50565973800. Its totient is φ = 50444126424.

The previous prime is 50505050081. The next prime is 50505050191. The reversal of 50505050111 is 11105050505.

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 50505050111 - 2²⁶ = 50437941247 is a prime.

It is a super-2 number, since 2×50505050111² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50505050191) 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, 30460601 + ... + 30462258.

It is an arithmetic number, because the mean of its divisors is an integer number (12641493450).

Almost surely, 2^50505050111 is an apocalyptic number.

50505050111 is a deficient number, since it is larger than the sum of its proper divisors (60923689).

50505050111 is an equidigital number, since it uses as much as digits as its factorization.

50505050111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60923688.

The product of its (nonzero) digits is 625, while the sum is 23.

The spelling of 50505050111 in words is "fifty billion, five hundred five million, fifty thousand, one hundred eleven".