8152516051805 has 8 divisors (see below), whose sum is σ = 9785972200632. Its totient is φ = 6520044215808.

The previous prime is 8152516051759. The next prime is 8152516051871. The reversal of 8152516051805 is 5081506152518.

It can be written as a sum of positive squares in 4 ways, for example, as 3972674826649 + 4179841225156 = 1993157^2 + 2044466^2 .

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 8152516051805 - 2¹⁴ = 8152516035421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8152516051805.

It is a congruent 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, 246059984 + ... + 246093113.

It is an arithmetic number, because the mean of its divisors is an integer number (1223246525079).

Almost surely, 2^{8152516051805} is an apocalyptic number.

It is an amenable number.

8152516051805 is a deficient number, since it is larger than the sum of its proper divisors (1633456148827).

8152516051805 is a wasteful number, since it uses less digits than its factorization.

8152516051805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492156415.

The product of its (nonzero) digits is 480000, while the sum is 47.

The spelling of 8152516051805 in words is "eight trillion, one hundred fifty-two billion, five hundred sixteen million, fifty-one thousand, eight hundred five".