1481569686144 has 96 divisors (see below), whose sum is σ = 4279960949940. Its totient is φ = 491934842880.

The previous prime is 1481569686109. The next prime is 1481569686161. The reversal of 1481569686144 is 4416869651841.

1481569686144 is a `hidden beast` number, since 1 + 4 + 8 + 1 + 5 + 6 + 9 + 6 + 8 + 614 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1129730900544 + 351838785600 = 1062888^2 + 593160^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2206047 + ... + 2798174.

Almost surely, 2^{1481569686144} is an apocalyptic number.

It is an amenable number.

1481569686144 is an abundant number, since it is smaller than the sum of its proper divisors (2798391263796).

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

1481569686144 is a wasteful number, since it uses less digits than its factorization.

1481569686144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5004498 (or 5004483 counting only the distinct ones).

The product of its digits is 39813120, while the sum is 63.

The spelling of 1481569686144 in words is "one trillion, four hundred eighty-one billion, five hundred sixty-nine million, six hundred eighty-six thousand, one hundred forty-four".