50116650011561 has 8 divisors (see below), whose sum is σ = 57276220560000. Its totient is φ = 42957091742688.

The previous prime is 50116650011539. The next prime is 50116650011591. The reversal of 50116650011561 is 16511005661105.

It is a happy number.

50116650011561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50116650011561 - 2¹⁸ = 50116649749417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50116650011591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8667605 + ... + 13242381.

It is an arithmetic number, because the mean of its divisors is an integer number (7159527570000).

Almost surely, 2^{50116650011561} is an apocalyptic number.

It is an amenable number.

50116650011561 is a deficient number, since it is larger than the sum of its proper divisors (7159570548439).

50116650011561 is a wasteful number, since it uses less digits than its factorization.

50116650011561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6139783.

The product of its (nonzero) digits is 27000, while the sum is 38.

Adding to 50116650011561 its reverse (16511005661105), we get a palindrome (66627655672666).

The spelling of 50116650011561 in words is "fifty trillion, one hundred sixteen billion, six hundred fifty million, eleven thousand, five hundred sixty-one".