50003911222261 has 2 divisors, whose sum is σ = 50003911222262. Its totient is φ = 50003911222260.

The previous prime is 50003911222247. The next prime is 50003911222289. The reversal of 50003911222261 is 16222211930005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49914309780036 + 89601442225 = 7065006^2 + 299335^2 .

It is a cyclic number.

It is not a de Polignac number, because 50003911222261 - 2⁹ = 50003911221749 is a prime.

It is a super-2 number, since 2×50003911222261² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50003911222961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25001955611130 + 25001955611131.

It is an arithmetic number, because the mean of its divisors is an integer number (25001955611131).

Almost surely, 2^{50003911222261} is an apocalyptic number.

It is an amenable number.

50003911222261 is a deficient number, since it is larger than the sum of its proper divisors (1).

50003911222261 is an equidigital number, since it uses as much as digits as its factorization.

50003911222261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 50003911222261 in words is "fifty trillion, three billion, nine hundred eleven million, two hundred twenty-two thousand, two hundred sixty-one".