2187256314675 has 18 divisors (see below), whose sum is σ = 3616284949572. Its totient is φ = 1166529870240.

The previous prime is 2187256314667. The next prime is 2187256314701. The reversal of 2187256314675 is 5764136527812.

It is a happy number.

It is not a de Polignac number, because 2187256314675 - 2³ = 2187256314667 is a prime.

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 17 ways as a sum of consecutive naturals, for example, 12722589 + ... + 12893361.

Almost surely, 2^{2187256314675} is an apocalyptic number.

2187256314675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2187256314675 is a deficient number, since it is larger than the sum of its proper divisors (1429028634897).

2187256314675 is an frugal number, since it uses more digits than its factorization.

2187256314675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341559 (or 170781 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 57.

The spelling of 2187256314675 in words is "two trillion, one hundred eighty-seven billion, two hundred fifty-six million, three hundred fourteen thousand, six hundred seventy-five".