50261111113 has 2 divisors, whose sum is σ = 50261111114. Its totient is φ = 50261111112.

The previous prime is 50261111081. The next prime is 50261111143. The reversal of 50261111113 is 31111116205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32698765584 + 17562345529 = 180828^2 + 132523^2 .

It is a cyclic number.

It is not a de Polignac number, because 50261111113 - 2⁵ = 50261111081 is a prime.

It is not a weakly prime, because it can be changed into another prime (50261111143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25130555556 + 25130555557.

It is an arithmetic number, because the mean of its divisors is an integer number (25130555557).

Almost surely, 2^50261111113 is an apocalyptic number.

It is an amenable number.

50261111113 is a deficient number, since it is larger than the sum of its proper divisors (1).

50261111113 is an equidigital number, since it uses as much as digits as its factorization.

50261111113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 22.

Adding to 50261111113 its reverse (31111116205), we get a palindrome (81372227318).

The spelling of 50261111113 in words is "fifty billion, two hundred sixty-one million, one hundred eleven thousand, one hundred thirteen".