50511165106515 has 16 divisors (see below), whose sum is σ = 80911511774208. Its totient is φ = 26908072188896.

The previous prime is 50511165106511. The next prime is 50511165106529. The reversal of 50511165106515 is 51560156111505.

It is a cyclic number.

It is not a de Polignac number, because 50511165106515 - 2² = 50511165106511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50511165106511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1950978369 + ... + 1951004258.

It is an arithmetic number, because the mean of its divisors is an integer number (5056969485888).

Almost surely, 2^{50511165106515} is an apocalyptic number.

50511165106515 is a deficient number, since it is larger than the sum of its proper divisors (30400346667693).

50511165106515 is a wasteful number, since it uses less digits than its factorization.

50511165106515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3901983498.

The product of its (nonzero) digits is 112500, while the sum is 42.

The spelling of 50511165106515 in words is "fifty trillion, five hundred eleven billion, one hundred sixty-five million, one hundred six thousand, five hundred fifteen".