50561311115 has 16 divisors (see below), whose sum is σ = 69346031040. Its totient is φ = 34668211200.

The previous prime is 50561311111. The next prime is 50561311127. The reversal of 50561311115 is 51111316505.

It is not a de Polignac number, because 50561311115 - 2² = 50561311111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50561311111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 570815 + ... + 653415.

It is an arithmetic number, because the mean of its divisors is an integer number (4334126940).

Almost surely, 2^50561311115 is an apocalyptic number.

50561311115 is a deficient number, since it is larger than the sum of its proper divisors (18784719925).

50561311115 is a wasteful number, since it uses less digits than its factorization.

50561311115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100102.

The product of its (nonzero) digits is 2250, while the sum is 29.

The spelling of 50561311115 in words is "fifty billion, five hundred sixty-one million, three hundred eleven thousand, one hundred fifteen".