51005650159 has 2 divisors, whose sum is σ = 51005650160. Its totient is φ = 51005650158.

The previous prime is 51005650151. The next prime is 51005650183. The reversal of 51005650159 is 95105650015.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51005650159 - 2³ = 51005650151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51005650151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25502825079 + 25502825080.

It is an arithmetic number, because the mean of its divisors is an integer number (25502825080).

Almost surely, 2^51005650159 is an apocalyptic number.

51005650159 is a deficient number, since it is larger than the sum of its proper divisors (1).

51005650159 is an equidigital number, since it uses as much as digits as its factorization.

51005650159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33750, while the sum is 37.

The spelling of 51005650159 in words is "fifty-one billion, five million, six hundred fifty thousand, one hundred fifty-nine".