5265157820345 has 4 divisors (see below), whose sum is σ = 6318189384420. Its totient is φ = 4212126256272.

The previous prime is 5265157820339. The next prime is 5265157820357. The reversal of 5265157820345 is 5430287515625.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2342849625769 + 2922308194576 = 1530637^2 + 1709476^2 .

It is a cyclic number.

It is not a de Polignac number, because 5265157820345 - 2¹² = 5265157816249 is a prime.

It is a super-2 number, since 2×5265157820345² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526515782030 + ... + 526515782039.

It is an arithmetic number, because the mean of its divisors is an integer number (1579547346105).

Almost surely, 2^{5265157820345} is an apocalyptic number.

It is an amenable number.

5265157820345 is a deficient number, since it is larger than the sum of its proper divisors (1053031564075).

5265157820345 is a wasteful number, since it uses less digits than its factorization.

5265157820345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053031564074.

The product of its (nonzero) digits is 10080000, while the sum is 53.

The spelling of 5265157820345 in words is "five trillion, two hundred sixty-five billion, one hundred fifty-seven million, eight hundred twenty thousand, three hundred forty-five".