50381236642161 has 8 divisors (see below), whose sum is σ = 67284566176000. Its totient is φ = 33532699101552.

The previous prime is 50381236642159. The next prime is 50381236642189. The reversal of 50381236642161 is 16124663218305.

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

It is not a de Polignac number, because 50381236642161 - 2¹ = 50381236642159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50381236642161.

It is not an unprimeable number, because it can be changed into a prime (50381236662161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13697996161 + ... + 13697999838.

It is an arithmetic number, because the mean of its divisors is an integer number (8410570772000).

Almost surely, 2^{50381236642161} is an apocalyptic number.

It is an amenable number.

50381236642161 is a deficient number, since it is larger than the sum of its proper divisors (16903329533839).

50381236642161 is a wasteful number, since it uses less digits than its factorization.

50381236642161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27395996615.

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 50381236642161 in words is "fifty trillion, three hundred eighty-one billion, two hundred thirty-six million, six hundred forty-two thousand, one hundred sixty-one".