1115616847872 has 48 divisors (see below), whose sum is σ = 2974251964320. Its totient is φ = 371872280576.

The previous prime is 1115616847831. The next prime is 1115616847879. The reversal of 1115616847872 is 2787486165111.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (1115616847879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90782988 + ... + 90795275.

It is an arithmetic number, because the mean of its divisors is an integer number (61963582590).

Almost surely, 2^{1115616847872} is an apocalyptic number.

1115616847872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1115616847872 is an abundant number, since it is smaller than the sum of its proper divisors (1858635116448).

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

1115616847872 is an equidigital number, since it uses as much as digits as its factorization.

1115616847872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181578288 (or 181578268 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 57.

The spelling of 1115616847872 in words is "one trillion, one hundred fifteen billion, six hundred sixteen million, eight hundred forty-seven thousand, eight hundred seventy-two".