1518482040816 has 80 divisors (see below), whose sum is σ = 4314377862144. Its totient is φ = 457284271872.

The previous prime is 1518482040763. The next prime is 1518482040821. The reversal of 1518482040816 is 6180402848151.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 25858596 + ... + 25917251.

Almost surely, 2^{1518482040816} is an apocalyptic number.

1518482040816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1518482040816 is an abundant number, since it is smaller than the sum of its proper divisors (2795895821328).

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

1518482040816 is a wasteful number, since it uses less digits than its factorization.

1518482040816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51775918 (or 51775912 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 48.

Adding to 1518482040816 its reverse (6180402848151), we get a palindrome (7698884888967).

The spelling of 1518482040816 in words is "one trillion, five hundred eighteen billion, four hundred eighty-two million, forty thousand, eight hundred sixteen".