5206215700509 has 16 divisors (see below), whose sum is σ = 7077674916480. Its totient is φ = 3403142458560.

The previous prime is 5206215700507. The next prime is 5206215700523. The reversal of 5206215700509 is 9050075126025.

It is not a de Polignac number, because 5206215700509 - 2¹ = 5206215700507 is a prime.

It is a super-3 number, since 3×5206215700509³ (a number of 39 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5206215700501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44814649 + ... + 44930670.

It is an arithmetic number, because the mean of its divisors is an integer number (442354682280).

Almost surely, 2^{5206215700509} is an apocalyptic number.

It is an amenable number.

5206215700509 is a deficient number, since it is larger than the sum of its proper divisors (1871459215971).

5206215700509 is a wasteful number, since it uses less digits than its factorization.

5206215700509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89745700.

The product of its (nonzero) digits is 189000, while the sum is 42.

The spelling of 5206215700509 in words is "five trillion, two hundred six billion, two hundred fifteen million, seven hundred thousand, five hundred nine".