50778201210157 has 2 divisors, whose sum is σ = 50778201210158. Its totient is φ = 50778201210156.

The previous prime is 50778201210151. The next prime is 50778201210161. The reversal of 50778201210157 is 75101210287705.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47867939219556 + 2910261990601 = 6918666^2 + 1705949^2 .

It is a cyclic number.

It is not a de Polignac number, because 50778201210157 - 2³⁵ = 50743841471789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50778201210151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25389100605078 + 25389100605079.

It is an arithmetic number, because the mean of its divisors is an integer number (25389100605079).

Almost surely, 2^{50778201210157} is an apocalyptic number.

It is an amenable number.

50778201210157 is a deficient number, since it is larger than the sum of its proper divisors (1).

50778201210157 is an equidigital number, since it uses as much as digits as its factorization.

50778201210157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 274400, while the sum is 46.

The spelling of 50778201210157 in words is "fifty trillion, seven hundred seventy-eight billion, two hundred one million, two hundred ten thousand, one hundred fifty-seven".