1215338548600 has 96 divisors (see below), whose sum is σ = 3165852618000. Its totient is φ = 429996902400.

The previous prime is 1215338548591. The next prime is 1215338548601. The reversal of 1215338548600 is 68458335121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1215338548601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7383825 + ... + 7546624.

Almost surely, 2^{1215338548600} is an apocalyptic number.

1215338548600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1215338548600 is an abundant number, since it is smaller than the sum of its proper divisors (1950514069400).

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

1215338548600 is a wasteful number, since it uses less digits than its factorization.

1215338548600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14930513 (or 14930504 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 1215338548600 in words is "one trillion, two hundred fifteen billion, three hundred thirty-eight million, five hundred forty-eight thousand, six hundred".