50515515011 has 8 divisors (see below), whose sum is σ = 57601401984. Its totient is φ = 43886782080.

The previous prime is 50515515007. The next prime is 50515515041. The reversal of 50515515011 is 11051551505.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50515515011 - 2² = 50515515007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50515515041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114288275 + ... + 114288716.

It is an arithmetic number, because the mean of its divisors is an integer number (7200175248).

Almost surely, 2^50515515011 is an apocalyptic number.

50515515011 is a deficient number, since it is larger than the sum of its proper divisors (7085886973).

50515515011 is a wasteful number, since it uses less digits than its factorization.

50515515011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228577021.

The product of its (nonzero) digits is 3125, while the sum is 29.

The spelling of 50515515011 in words is "fifty billion, five hundred fifteen million, five hundred fifteen thousand, eleven".