4505081778375 has 64 divisors (see below), whose sum is σ = 7776504852480. Its totient is φ = 2314434720000.

The previous prime is 4505081778317. The next prime is 4505081778391. The reversal of 4505081778375 is 5738771805054.

It is a happy number.

It is not a de Polignac number, because 4505081778375 - 2⁹ = 4505081777863 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 639891 + ... + 3069140.

It is an arithmetic number, because the mean of its divisors is an integer number (121507888320).

Almost surely, 2^{4505081778375} is an apocalyptic number.

4505081778375 is a deficient number, since it is larger than the sum of its proper divisors (3271423074105).

4505081778375 is a wasteful number, since it uses less digits than its factorization.

4505081778375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3709169 (or 3709159 counting only the distinct ones).

The product of its (nonzero) digits is 32928000, while the sum is 60.

The spelling of 4505081778375 in words is "four trillion, five hundred five billion, eighty-one million, seven hundred seventy-eight thousand, three hundred seventy-five".