5815366552145 has 8 divisors (see below), whose sum is σ = 6978454499304. Its totient is φ = 4652283483904.

The previous prime is 5815366552087. The next prime is 5815366552159. The reversal of 5815366552145 is 5412556635185.

It can be written as a sum of positive squares in 4 ways, for example, as 1780989004369 + 4034377547776 = 1334537^2 + 2008576^2 .

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 5815366552145 - 2⁸ = 5815366551889 is a prime.

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, 2354927 + ... + 4144443.

It is an arithmetic number, because the mean of its divisors is an integer number (872306812413).

Almost surely, 2^{5815366552145} is an apocalyptic number.

It is an amenable number.

5815366552145 is a deficient number, since it is larger than the sum of its proper divisors (1163087947159).

5815366552145 is a wasteful number, since it uses less digits than its factorization.

5815366552145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2439459.

The product of its digits is 21600000, while the sum is 56.

The spelling of 5815366552145 in words is "five trillion, eight hundred fifteen billion, three hundred sixty-six million, five hundred fifty-two thousand, one hundred forty-five".