5187548400509 has 8 divisors (see below), whose sum is σ = 5270336369280. Its totient is φ = 5105030540400.

The previous prime is 5187548400457. The next prime is 5187548400527. The reversal of 5187548400509 is 9050048457815.

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 5187548400509 - 2²⁰ = 5187547351933 is a prime.

It is a super-3 number, since 3×5187548400509³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5187548400539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67488449 + ... + 67565270.

It is an arithmetic number, because the mean of its divisors is an integer number (658792046160).

Almost surely, 2^{5187548400509} is an apocalyptic number.

It is an amenable number.

5187548400509 is a deficient number, since it is larger than the sum of its proper divisors (82787968771).

5187548400509 is a wasteful number, since it uses less digits than its factorization.

5187548400509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135054331.

The product of its (nonzero) digits is 8064000, while the sum is 56.

The spelling of 5187548400509 in words is "five trillion, one hundred eighty-seven billion, five hundred forty-eight million, four hundred thousand, five hundred nine".