50666120815 has 8 divisors (see below), whose sum is σ = 61163413920. Its totient is φ = 40290184032.

The previous prime is 50666120809. The next prime is 50666120821. The reversal of 50666120815 is 51802166605.

It is an interprime number because it is at equal distance from previous prime (50666120809) and next prime (50666120821).

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 50666120815 - 2¹⁷ = 50665989743 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30338160 + ... + 30339829.

It is an arithmetic number, because the mean of its divisors is an integer number (7645426740).

Almost surely, 2^50666120815 is an apocalyptic number.

50666120815 is a deficient number, since it is larger than the sum of its proper divisors (10497293105).

50666120815 is a wasteful number, since it uses less digits than its factorization.

50666120815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60678161.

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 50666120815 in words is "fifty billion, six hundred sixty-six million, one hundred twenty thousand, eight hundred fifteen".