50011889761 has 2 divisors, whose sum is σ = 50011889762. Its totient is φ = 50011889760.

The previous prime is 50011889687. The next prime is 50011889797. The reversal of 50011889761 is 16798811005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35917451361 + 14094438400 = 189519^2 + 118720^2 .

It is a cyclic number.

It is not a de Polignac number, because 50011889761 - 2¹¹ = 50011887713 is a prime.

It is not a weakly prime, because it can be changed into another prime (50011889561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25005944880 + 25005944881.

It is an arithmetic number, because the mean of its divisors is an integer number (25005944881).

Almost surely, 2^50011889761 is an apocalyptic number.

It is an amenable number.

50011889761 is a deficient number, since it is larger than the sum of its proper divisors (1).

50011889761 is an equidigital number, since it uses as much as digits as its factorization.

50011889761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 46.

The spelling of 50011889761 in words is "fifty billion, eleven million, eight hundred eighty-nine thousand, seven hundred sixty-one".