1288111678862 has 8 divisors (see below), whose sum is σ = 1943737384176. Its totient is φ = 640199217472.

The previous prime is 1288111678807. The next prime is 1288111678913. The reversal of 1288111678862 is 2688761118821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 1928310563 + ... + 1928311230.

It is an arithmetic number, because the mean of its divisors is an integer number (242967173022).

Almost surely, 2^{1288111678862} is an apocalyptic number.

1288111678862 is a deficient number, since it is larger than the sum of its proper divisors (655625705314).

1288111678862 is a wasteful number, since it uses less digits than its factorization.

1288111678862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3856621962.

The product of its digits is 4128768, while the sum is 59.

The spelling of 1288111678862 in words is "one trillion, two hundred eighty-eight billion, one hundred eleven million, six hundred seventy-eight thousand, eight hundred sixty-two".