1115115616012 has 24 divisors (see below), whose sum is σ = 2086304272416. Its totient is φ = 519665526528.

The previous prime is 1115115616007. The next prime is 1115115616033. The reversal of 1115115616012 is 2106165115111.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 79598623 + ... + 79612630.

It is an arithmetic number, because the mean of its divisors is an integer number (86929344684).

Almost surely, 2^{1115115616012} is an apocalyptic number.

It is an amenable number.

1115115616012 is a deficient number, since it is larger than the sum of its proper divisors (971188656404).

1115115616012 is a wasteful number, since it uses less digits than its factorization.

1115115616012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159211377 (or 159211375 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 31.

The spelling of 1115115616012 in words is "one trillion, one hundred fifteen billion, one hundred fifteen million, six hundred sixteen thousand, twelve".