4978752757615 has 48 divisors (see below), whose sum is σ = 7725979618560. Its totient is φ = 3049728675840.

The previous prime is 4978752757597. The next prime is 4978752757661. The reversal of 4978752757615 is 5167572578794.

4978752757615 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4978752757615 - 2²¹ = 4978750660463 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25113970 + ... + 25311439.

It is an arithmetic number, because the mean of its divisors is an integer number (160957908720).

Almost surely, 2^{4978752757615} is an apocalyptic number.

4978752757615 is a deficient number, since it is larger than the sum of its proper divisors (2747226860945).

4978752757615 is a wasteful number, since it uses less digits than its factorization.

4978752757615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50425472 (or 50425465 counting only the distinct ones).

The product of its digits is 1037232000, while the sum is 73.

The spelling of 4978752757615 in words is "four trillion, nine hundred seventy-eight billion, seven hundred fifty-two million, seven hundred fifty-seven thousand, six hundred fifteen".