50112225109 has 2 divisors, whose sum is σ = 50112225110. Its totient is φ = 50112225108.

The previous prime is 50112225047. The next prime is 50112225139. The reversal of 50112225109 is 90152221105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37874998225 + 12237226884 = 194615^2 + 110622^2 .

It is a cyclic number.

It is not a de Polignac number, because 50112225109 - 2⁹ = 50112224597 is a prime.

It is a super-2 number, since 2×50112225109² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50112225139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25056112554 + 25056112555.

It is an arithmetic number, because the mean of its divisors is an integer number (25056112555).

Almost surely, 2^50112225109 is an apocalyptic number.

It is an amenable number.

50112225109 is a deficient number, since it is larger than the sum of its proper divisors (1).

50112225109 is an equidigital number, since it uses as much as digits as its factorization.

50112225109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 28.

The spelling of 50112225109 in words is "fifty billion, one hundred twelve million, two hundred twenty-five thousand, one hundred nine".