1318573216032 has 144 divisors (see below), whose sum is σ = 3594714209856. Its totient is φ = 423181248000.

The previous prime is 1318573215959. The next prime is 1318573216117. The reversal of 1318573216032 is 2306123758131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18138157 + ... + 18210707.

It is an arithmetic number, because the mean of its divisors is an integer number (24963293124).

Almost surely, 2^{1318573216032} is an apocalyptic number.

1318573216032 is a gapful number since it is divisible by the number (12) 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 1318573216032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1797357104928).

1318573216032 is an abundant number, since it is smaller than the sum of its proper divisors (2276140993824).

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

1318573216032 is a wasteful number, since it uses less digits than its factorization.

1318573216032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72823 (or 72784 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 1318573216032 in words is "one trillion, three hundred eighteen billion, five hundred seventy-three million, two hundred sixteen thousand, thirty-two".