1287110886888 has 32 divisors (see below), whose sum is σ = 3258508579200. Its totient is φ = 423606114048.

The previous prime is 1287110886871. The next prime is 1287110886917. The reversal of 1287110886888 is 8886880117821.

It is a super-2 number, since 2×1287110886888² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339426081 + ... + 339429872.

It is an arithmetic number, because the mean of its divisors is an integer number (101828393100).

Almost surely, 2^{1287110886888} is an apocalyptic number.

It is an amenable number.

1287110886888 is an abundant number, since it is smaller than the sum of its proper divisors (1971397692312).

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

1287110886888 is a wasteful number, since it uses less digits than its factorization.

1287110886888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678856041 (or 678856037 counting only the distinct ones).

The product of its (nonzero) digits is 22020096, while the sum is 66.

The spelling of 1287110886888 in words is "one trillion, two hundred eighty-seven billion, one hundred ten million, eight hundred eighty-six thousand, eight hundred eighty-eight".