4551126755568 has 80 divisors (see below), whose sum is σ = 11884990740480. Its totient is φ = 1500571475712.

The previous prime is 4551126755479. The next prime is 4551126755573. The reversal of 4551126755568 is 8655576211554.

It is a Cunningham number, because it is equal to 2133337²-1.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3733338 + ... + 4800006.

It is an arithmetic number, because the mean of its divisors is an integer number (148562384256).

Almost surely, 2^{4551126755568} is an apocalyptic number.

4551126755568 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4551126755568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5942495370240).

4551126755568 is an abundant number, since it is smaller than the sum of its proper divisors (7333863984912).

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

4551126755568 is a wasteful number, since it uses less digits than its factorization.

4551126755568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067646 (or 1067640 counting only the distinct ones).

The product of its digits is 50400000, while the sum is 60.

The spelling of 4551126755568 in words is "four trillion, five hundred fifty-one billion, one hundred twenty-six million, seven hundred fifty-five thousand, five hundred sixty-eight".