50520142011 has 4 divisors (see below), whose sum is σ = 67360189352. Its totient is φ = 33680094672.

The previous prime is 50520142007. The next prime is 50520142019. The reversal of 50520142011 is 11024102505.

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

It is not a de Polignac number, because 50520142011 - 2² = 50520142007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50520142019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8420023666 + ... + 8420023671.

It is an arithmetic number, because the mean of its divisors is an integer number (16840047338).

Almost surely, 2^50520142011 is an apocalyptic number.

50520142011 is a deficient number, since it is larger than the sum of its proper divisors (16840047341).

50520142011 is a wasteful number, since it uses less digits than its factorization.

50520142011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16840047340.

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 50520142011 its reverse (11024102505), we get a palindrome (61544244516).

The spelling of 50520142011 in words is "fifty billion, five hundred twenty million, one hundred forty-two thousand, eleven".