50150543081 has 2 divisors, whose sum is σ = 50150543082. Its totient is φ = 50150543080.

The previous prime is 50150543029. The next prime is 50150543083. The reversal of 50150543081 is 18034505105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32913216400 + 17237326681 = 181420^2 + 131291^2 .

It is a cyclic number.

It is not a de Polignac number, because 50150543081 - 2⁶ = 50150543017 is a prime.

It is a super-2 number, since 2×50150543081² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 50150543083, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (50150543083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25075271540 + 25075271541.

It is an arithmetic number, because the mean of its divisors is an integer number (25075271541).

Almost surely, 2^50150543081 is an apocalyptic number.

It is an amenable number.

50150543081 is a deficient number, since it is larger than the sum of its proper divisors (1).

50150543081 is an equidigital number, since it uses as much as digits as its factorization.

50150543081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12000, while the sum is 32.

The spelling of 50150543081 in words is "fifty billion, one hundred fifty million, five hundred forty-three thousand, eighty-one".