1087855271412 has 72 divisors (see below), whose sum is σ = 3179884661856. Its totient is φ = 286906882752.

The previous prime is 1087855271351. The next prime is 1087855271423. The reversal of 1087855271412 is 2141725587801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71149818 + ... + 71165105.

It is an arithmetic number, because the mean of its divisors is an integer number (44165064748).

Almost surely, 2^{1087855271412} is an apocalyptic number.

1087855271412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1087855271412 is an abundant number, since it is smaller than the sum of its proper divisors (2092029390444).

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

1087855271412 is a wasteful number, since it uses less digits than its factorization.

1087855271412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142314957 (or 142314948 counting only the distinct ones).

The product of its (nonzero) digits is 1254400, while the sum is 51.

The spelling of 1087855271412 in words is "one trillion, eighty-seven billion, eight hundred fifty-five million, two hundred seventy-one thousand, four hundred twelve".