4778011431255 has 8 divisors (see below), whose sum is σ = 7644818290032. Its totient is φ = 2548272763328.

The previous prime is 4778011431247. The next prime is 4778011431299. The reversal of 4778011431255 is 5521341108774.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4778011431255 - 2³ = 4778011431247 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159267047694 + ... + 159267047723.

It is an arithmetic number, because the mean of its divisors is an integer number (955602286254).

Almost surely, 2^{4778011431255} is an apocalyptic number.

4778011431255 is a deficient number, since it is larger than the sum of its proper divisors (2866806858777).

4778011431255 is a wasteful number, since it uses less digits than its factorization.

4778011431255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318534095425.

The product of its (nonzero) digits is 940800, while the sum is 48.

The spelling of 4778011431255 in words is "four trillion, seven hundred seventy-eight billion, eleven million, four hundred thirty-one thousand, two hundred fifty-five".