5215255536245 has 4 divisors (see below), whose sum is σ = 6258306643500. Its totient is φ = 4172204428992.

The previous prime is 5215255536199. The next prime is 5215255536251. The reversal of 5215255536245 is 5426355525125.

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 2369930933764 + 2845324602481 = 1539458^2 + 1686809^2 .

It is a cyclic number.

It is not a de Polignac number, because 5215255536245 - 2¹⁶ = 5215255470709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5215255536193 and 5215255536202.

It is a congruent number.

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, 521525553620 + ... + 521525553629.

It is an arithmetic number, because the mean of its divisors is an integer number (1564576660875).

Almost surely, 2^{5215255536245} is an apocalyptic number.

It is an amenable number.

5215255536245 is a deficient number, since it is larger than the sum of its proper divisors (1043051107255).

5215255536245 is a wasteful number, since it uses less digits than its factorization.

5215255536245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043051107254.

The product of its digits is 9000000, while the sum is 50.

The spelling of 5215255536245 in words is "five trillion, two hundred fifteen billion, two hundred fifty-five million, five hundred thirty-six thousand, two hundred forty-five".