578765128551 has 32 divisors (see below), whose sum is σ = 783266623488. Its totient is φ = 380099472480.

The previous prime is 578765128483. The next prime is 578765128553. The reversal of 578765128551 is 155821567875.

It is a happy number.

It is not a de Polignac number, because 578765128551 - 2¹¹ = 578765126503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (578765128553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47577996 + ... + 47590158.

It is an arithmetic number, because the mean of its divisors is an integer number (24477081984).

Almost surely, 2^578765128551 is an apocalyptic number.

578765128551 is a deficient number, since it is larger than the sum of its proper divisors (204501494937).

578765128551 is a wasteful number, since it uses less digits than its factorization.

578765128551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13091.

The product of its digits is 23520000, while the sum is 60.

The spelling of 578765128551 in words is "five hundred seventy-eight billion, seven hundred sixty-five million, one hundred twenty-eight thousand, five hundred fifty-one".