50511011051 has 2 divisors, whose sum is σ = 50511011052. Its totient is φ = 50511011050.

The previous prime is 50511011011. The next prime is 50511011071. The reversal of 50511011051 is 15011011505.

It is an a-pointer prime, because the next prime (50511011071) can be obtained adding 50511011051 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50511011051 is a prime.

It is not a weakly prime, because it can be changed into another prime (50511011011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25255505525 + 25255505526.

It is an arithmetic number, because the mean of its divisors is an integer number (25255505526).

Almost surely, 2^50511011051 is an apocalyptic number.

50511011051 is a deficient number, since it is larger than the sum of its proper divisors (1).

50511011051 is an equidigital number, since it uses as much as digits as its factorization.

50511011051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 125, while the sum is 20.

Adding to 50511011051 its reverse (15011011505), we get a palindrome (65522022556).

The spelling of 50511011051 in words is "fifty billion, five hundred eleven million, eleven thousand, fifty-one".