51005450015 has 8 divisors (see below), whose sum is σ = 65914735488. Its totient is φ = 37665563040.

The previous prime is 51005449997. The next prime is 51005450021.

51005450015 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 51005450015 - 2¹⁴ = 51005433631 is a prime.

It is a Duffinian number.

It is a congruent 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, 392349551 + ... + 392349680.

It is an arithmetic number, because the mean of its divisors is an integer number (8239341936).

Almost surely, 2^51005450015 is an apocalyptic number.

51005450015 is a deficient number, since it is larger than the sum of its proper divisors (14909285473).

51005450015 is a wasteful number, since it uses less digits than its factorization.

51005450015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784699249.

The product of its (nonzero) digits is 2500, while the sum is 26.

The spelling of 51005450015 in words is "fifty-one billion, five million, four hundred fifty thousand, fifteen".