50011505065 has 16 divisors (see below), whose sum is σ = 60443294400. Its totient is φ = 39723117120.

The previous prime is 50011505009. The next prime is 50011505069. The reversal of 50011505065 is 56050511005.

It is not a de Polignac number, because 50011505065 - 2²¹ = 50009407913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50011505069) 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 15 ways as a sum of consecutive naturals, for example, 1824310 + ... + 1851520.

It is an arithmetic number, because the mean of its divisors is an integer number (3777705900).

Almost surely, 2^50011505065 is an apocalyptic number.

It is an amenable number.

50011505065 is a deficient number, since it is larger than the sum of its proper divisors (10431789335).

50011505065 is a wasteful number, since it uses less digits than its factorization.

50011505065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29832.

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 50011505065 in words is "fifty billion, eleven million, five hundred five thousand, sixty-five".