50005205105 has 8 divisors (see below), whose sum is σ = 60030883752. Its totient is φ = 39987739008.

The previous prime is 50005205099. The next prime is 50005205137. The reversal of 50005205105 is 50150250005.

It can be written as a sum of positive squares in 4 ways, for example, as 8361456481 + 41643748624 = 91441^2 + 204068^2 .

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 50005205105 - 2⁸ = 50005204849 is a prime.

It is a super-2 number, since 2×50005205105² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2039732 + ... + 2064101.

It is an arithmetic number, because the mean of its divisors is an integer number (7503860469).

Almost surely, 2^50005205105 is an apocalyptic number.

It is an amenable number.

50005205105 is a deficient number, since it is larger than the sum of its proper divisors (10025678647).

50005205105 is a wasteful number, since it uses less digits than its factorization.

50005205105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4106275.

The product of its (nonzero) digits is 1250, while the sum is 23.

The spelling of 50005205105 in words is "fifty billion, five million, two hundred five thousand, one hundred five".