50001651615615 has 32 divisors (see below), whose sum is σ = 91557357265920. Its totient is φ = 22826456446464.

The previous prime is 50001651615563. The next prime is 50001651615637. The reversal of 50001651615615 is 51651615610005.

It is not a de Polignac number, because 50001651615615 - 2⁸ = 50001651615359 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 327438250 + ... + 327590919.

It is an arithmetic number, because the mean of its divisors is an integer number (2861167414560).

Almost surely, 2^{50001651615615} is an apocalyptic number.

50001651615615 is a deficient number, since it is larger than the sum of its proper divisors (41555705650305).

50001651615615 is a wasteful number, since it uses less digits than its factorization.

50001651615615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655029911.

The product of its (nonzero) digits is 135000, while the sum is 42.

The spelling of 50001651615615 in words is "fifty trillion, one billion, six hundred fifty-one million, six hundred fifteen thousand, six hundred fifteen".