50555561111 has 16 divisors (see below), whose sum is σ = 55394242848. Its totient is φ = 45757747200.

The previous prime is 50555561093. The next prime is 50555561113. The reversal of 50555561111 is 11116555505.

50555561111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50555561111 - 2²⁶ = 50488452247 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 (50555561113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2556815 + ... + 2576511.

It is an arithmetic number, because the mean of its divisors is an integer number (3462140178).

Almost surely, 2^50555561111 is an apocalyptic number.

50555561111 is a deficient number, since it is larger than the sum of its proper divisors (4838681737).

50555561111 is a wasteful number, since it uses less digits than its factorization.

50555561111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20722.

The product of its (nonzero) digits is 18750, while the sum is 35.

The spelling of 50555561111 in words is "fifty billion, five hundred fifty-five million, five hundred sixty-one thousand, one hundred eleven".