5128746478215 has 32 divisors (see below), whose sum is σ = 8545178073600. Its totient is φ = 2623519516800.

The previous prime is 5128746478189. The next prime is 5128746478237.

5128746478215 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5128746478215 - 2²⁸ = 5128478042759 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38974785 + ... + 39106154.

It is an arithmetic number, because the mean of its divisors is an integer number (267036814800).

Almost surely, 2^{5128746478215} is an apocalyptic number.

5128746478215 is a deficient number, since it is larger than the sum of its proper divisors (3416431595385).

5128746478215 is a wasteful number, since it uses less digits than its factorization.

5128746478215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78081127.

The product of its digits is 30105600, while the sum is 60.

The spelling of 5128746478215 in words is "five trillion, one hundred twenty-eight billion, seven hundred forty-six million, four hundred seventy-eight thousand, two hundred fifteen".