51001560005 has 32 divisors (see below), whose sum is σ = 72026972928. Its totient is φ = 34251443200.

The previous prime is 51001559933. The next prime is 51001560023. The reversal of 51001560005 is 50006510015.

It is not a de Polignac number, because 51001560005 - 2²⁸ = 50733124549 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 (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 465041 + ... + 564150.

It is an arithmetic number, because the mean of its divisors is an integer number (2250842904).

Almost surely, 2^51001560005 is an apocalyptic number.

51001560005 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51001560005 is a deficient number, since it is larger than the sum of its proper divisors (21025412923).

51001560005 is a wasteful number, since it uses less digits than its factorization.

51001560005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029277.

The product of its (nonzero) digits is 750, while the sum is 23.

The spelling of 51001560005 in words is "fifty-one billion, one million, five hundred sixty thousand, five".