5082578315531 has 4 divisors (see below), whose sum is σ = 5083243669200. Its totient is φ = 5081912961864.

The previous prime is 5082578315513. The next prime is 5082578315557. The reversal of 5082578315531 is 1355138752805.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5082578315531 - 2³⁸ = 4807700408587 is a prime.

It is a super-2 number, since 2×5082578315531² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5082578315431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332665376 + ... + 332680653.

It is an arithmetic number, because the mean of its divisors is an integer number (1270810917300).

Almost surely, 2^{5082578315531} is an apocalyptic number.

5082578315531 is a deficient number, since it is larger than the sum of its proper divisors (665353669).

5082578315531 is an equidigital number, since it uses as much as digits as its factorization.

5082578315531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665353668.

The product of its (nonzero) digits is 5040000, while the sum is 53.

The spelling of 5082578315531 in words is "five trillion, eighty-two billion, five hundred seventy-eight million, three hundred fifteen thousand, five hundred thirty-one".