111987478750912 has 28 divisors (see below), whose sum is σ = 225868188451696. Its totient is φ = 55075809219840.

The previous prime is 111987478750897. The next prime is 111987478750949. The reversal of 111987478750912 is 219057874789111.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14342654748 + ... + 14342662555.

It is an arithmetic number, because the mean of its divisors is an integer number (8066721016132).

Almost surely, 2^{111987478750912} is an apocalyptic number.

It is an amenable number.

111987478750912 is an abundant number, since it is smaller than the sum of its proper divisors (113880709700784).

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

111987478750912 is an equidigital number, since it uses as much as digits as its factorization.

111987478750912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28685317376 (or 28685317366 counting only the distinct ones).

The product of its (nonzero) digits is 71124480, while the sum is 70.

The spelling of 111987478750912 in words is "one hundred eleven trillion, nine hundred eighty-seven billion, four hundred seventy-eight million, seven hundred fifty thousand, nine hundred twelve".