5178557343744 has 144 divisors (see below), whose sum is σ = 14971186208160. Its totient is φ = 1724505169920.

The previous prime is 5178557343727. The next prime is 5178557343763. The reversal of 5178557343744 is 4473437558715.

5178557343744 is a `hidden beast` number, since 5 + 1 + 7 + 8 + 557 + 3 + 4 + 3 + 74 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18867139 + ... + 19139645.

It is an arithmetic number, because the mean of its divisors is an integer number (103966570890).

Almost surely, 2^{5178557343744} 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 5178557343744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7485593104080).

5178557343744 is an abundant number, since it is smaller than the sum of its proper divisors (9792628864416).

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

5178557343744 is a wasteful number, since it uses less digits than its factorization.

5178557343744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273566 (or 273543 counting only the distinct ones).

The product of its digits is 197568000, while the sum is 63.

The spelling of 5178557343744 in words is "five trillion, one hundred seventy-eight billion, five hundred fifty-seven million, three hundred forty-three thousand, seven hundred forty-four".