50646643111 has 16 divisors (see below), whose sum is σ = 52561087488. Its totient is φ = 48750206400.

The previous prime is 50646643109. The next prime is 50646643127. The reversal of 50646643111 is 11134664605.

It is a cyclic number.

It is not a de Polignac number, because 50646643111 - 2¹ = 50646643109 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 (50646643711) 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, 7877080 + ... + 7883506.

It is an arithmetic number, because the mean of its divisors is an integer number (3285067968).

Almost surely, 2^50646643111 is an apocalyptic number.

50646643111 is a deficient number, since it is larger than the sum of its proper divisors (1914444377).

50646643111 is a wasteful number, since it uses less digits than its factorization.

50646643111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7782.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 50646643111 in words is "fifty billion, six hundred forty-six million, six hundred forty-three thousand, one hundred eleven".