1279093143285 has 12 divisors (see below), whose sum is σ = 2217094781772. Its totient is φ = 682183009728.

The previous prime is 1279093143271. The next prime is 1279093143323. The reversal of 1279093143285 is 5823413909721.

1279093143285 is a `hidden beast` number, since 1 + 279 + 0 + 93 + 1 + 4 + 3 + 285 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 392305553649 + 886787589636 = 626343^2 + 941694^2 .

It is not a de Polignac number, because 1279093143285 - 2⁶ = 1279093143221 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14212145992 + ... + 14212146081.

It is an arithmetic number, because the mean of its divisors is an integer number (184757898481).

Almost surely, 2^{1279093143285} is an apocalyptic number.

1279093143285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1279093143285 is a deficient number, since it is larger than the sum of its proper divisors (938001638487).

1279093143285 is a wasteful number, since it uses less digits than its factorization.

1279093143285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28424292084 (or 28424292081 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 1279093143285 in words is "one trillion, two hundred seventy-nine billion, ninety-three million, one hundred forty-three thousand, two hundred eighty-five".