1281325151185 has 16 divisors (see below), whose sum is σ = 1539935328960. Its totient is φ = 1023497703360.

The previous prime is 1281325151153. The next prime is 1281325151203. The reversal of 1281325151185 is 5811515231821.

It is not a de Polignac number, because 1281325151185 - 2⁵ = 1281325151153 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10303306 + ... + 10426924.

It is an arithmetic number, because the mean of its divisors is an integer number (96245958060).

Almost surely, 2^{1281325151185} is an apocalyptic number.

It is an amenable number.

1281325151185 is a deficient number, since it is larger than the sum of its proper divisors (258610177775).

1281325151185 is a wasteful number, since it uses less digits than its factorization.

1281325151185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126768.

The product of its digits is 96000, while the sum is 43.

The spelling of 1281325151185 in words is "one trillion, two hundred eighty-one billion, three hundred twenty-five million, one hundred fifty-one thousand, one hundred eighty-five".