50404811250109 has 2 divisors, whose sum is σ = 50404811250110. Its totient is φ = 50404811250108.

The previous prime is 50404811250083. The next prime is 50404811250119. The reversal of 50404811250109 is 90105211840405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42554290923225 + 7850520326884 = 6523365^2 + 2801878^2 .

It is a cyclic number.

It is not a de Polignac number, because 50404811250109 - 2²⁵ = 50404777695677 is a prime.

It is a super-2 number, since 2×50404811250109² (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 (50404811250119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25202405625054 + 25202405625055.

It is an arithmetic number, because the mean of its divisors is an integer number (25202405625055).

Almost surely, 2^{50404811250109} is an apocalyptic number.

It is an amenable number.

50404811250109 is a deficient number, since it is larger than the sum of its proper divisors (1).

50404811250109 is an equidigital number, since it uses as much as digits as its factorization.

50404811250109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 40.

The spelling of 50404811250109 in words is "fifty trillion, four hundred four billion, eight hundred eleven million, two hundred fifty thousand, one hundred nine".