51041115505 has 8 divisors (see below), whose sum is σ = 63912353472. Its totient is φ = 39057549168.

The previous prime is 51041115473. The next prime is 51041115523. The reversal of 51041115505 is 50551114015.

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 51041115505 - 2⁵ = 51041115473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 221917779 + ... + 221918008.

It is an arithmetic number, because the mean of its divisors is an integer number (7989044184).

Almost surely, 2^51041115505 is an apocalyptic number.

It is an amenable number.

51041115505 is a deficient number, since it is larger than the sum of its proper divisors (12871237967).

51041115505 is a wasteful number, since it uses less digits than its factorization.

51041115505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443835815.

The product of its (nonzero) digits is 2500, while the sum is 28.

The spelling of 51041115505 in words is "fifty-one billion, forty-one million, one hundred fifteen thousand, five hundred five".