50218668915 has 32 divisors (see below), whose sum is σ = 81930424320. Its totient is φ = 26257236096.

The previous prime is 50218668911. The next prime is 50218668919. The reversal of 50218668915 is 51986681205.

It is an interprime number because it is at equal distance from previous prime (50218668911) and next prime (50218668919).

It is not a de Polignac number, because 50218668915 - 2² = 50218668911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50218668911) 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 31 ways as a sum of consecutive naturals, for example, 1011646 + ... + 1060124.

It is an arithmetic number, because the mean of its divisors is an integer number (2560325760).

Almost surely, 2^50218668915 is an apocalyptic number.

50218668915 is a deficient number, since it is larger than the sum of its proper divisors (31711755405).

50218668915 is a wasteful number, since it uses less digits than its factorization.

50218668915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49843.

The product of its (nonzero) digits is 1036800, while the sum is 51.

The spelling of 50218668915 in words is "fifty billion, two hundred eighteen million, six hundred sixty-eight thousand, nine hundred fifteen".