50611212165 has 8 divisors (see below), whose sum is σ = 80977939488. Its totient is φ = 26992646480.

The previous prime is 50611212151. The next prime is 50611212167. The reversal of 50611212165 is 56121211605.

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

It is not a de Polignac number, because 50611212165 - 2⁴ = 50611212149 is a prime.

It is a super-2 number, since 2×50611212165² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50611212167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1687040391 + ... + 1687040420.

It is an arithmetic number, because the mean of its divisors is an integer number (10122242436).

Almost surely, 2^50611212165 is an apocalyptic number.

It is an amenable number.

50611212165 is a deficient number, since it is larger than the sum of its proper divisors (30366727323).

50611212165 is a wasteful number, since it uses less digits than its factorization.

50611212165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3374080819.

The product of its (nonzero) digits is 3600, while the sum is 30.

The spelling of 50611212165 in words is "fifty billion, six hundred eleven million, two hundred twelve thousand, one hundred sixty-five".