50518805650015 has 16 divisors (see below), whose sum is σ = 62728079731200. Its totient is φ = 39012039424512.

The previous prime is 50518805649997. The next prime is 50518805650069. The reversal of 50518805650015 is 51005650881505.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 50518805650015 - 2²⁷ = 50518671432287 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41282682 + ... + 42488791.

It is an arithmetic number, because the mean of its divisors is an integer number (3920504983200).

Almost surely, 2^{50518805650015} is an apocalyptic number.

50518805650015 is a deficient number, since it is larger than the sum of its proper divisors (12209274081185).

50518805650015 is a wasteful number, since it uses less digits than its factorization.

50518805650015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83775666.

The product of its (nonzero) digits is 1200000, while the sum is 49.

The spelling of 50518805650015 in words is "fifty trillion, five hundred eighteen billion, eight hundred five million, six hundred fifty thousand, fifteen".