4555147778712 has 192 divisors, whose sum is σ = 13320064517760. Its totient is φ = 1400938905600.

The previous prime is 4555147778681. The next prime is 4555147778719. The reversal of 4555147778712 is 2178777415554.

4555147778712 is a `hidden beast` number, since 4 + 5 + 551 + 4 + 7 + 7 + 7 + 8 + 71 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 4555147778712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4555147778719) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 79828912 + ... + 79885952.

It is an arithmetic number, because the mean of its divisors is an integer number (69375336030).

Almost surely, 2^{4555147778712} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4555147778712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6660032258880).

4555147778712 is an abundant number, since it is smaller than the sum of its proper divisors (8764916739048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4555147778712 is a wasteful number, since it uses less digits than its factorization.

4555147778712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58354 (or 58347 counting only the distinct ones).

The product of its digits is 76832000, while the sum is 63.

The spelling of 4555147778712 in words is "four trillion, five hundred fifty-five billion, one hundred forty-seven million, seven hundred seventy-eight thousand, seven hundred twelve".