50425126261 has 2 divisors, whose sum is σ = 50425126262. Its totient is φ = 50425126260.

The previous prime is 50425126231. The next prime is 50425126267. The reversal of 50425126261 is 16262152405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36149416900 + 14275709361 = 190130^2 + 119481^2 .

It is a cyclic number.

It is not a de Polignac number, because 50425126261 - 2⁵ = 50425126229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50425126267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25212563130 + 25212563131.

It is an arithmetic number, because the mean of its divisors is an integer number (25212563131).

Almost surely, 2^50425126261 is an apocalyptic number.

It is an amenable number.

50425126261 is a deficient number, since it is larger than the sum of its proper divisors (1).

50425126261 is an equidigital number, since it uses as much as digits as its factorization.

50425126261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 50425126261 its reverse (16262152405), we get a palindrome (66687278666).

The spelling of 50425126261 in words is "fifty billion, four hundred twenty-five million, one hundred twenty-six thousand, two hundred sixty-one".