1143135305015 has 24 divisors (see below), whose sum is σ = 1515617530224. Its totient is φ = 827063424000.

The previous prime is 1143135304907. The next prime is 1143135305021. The reversal of 1143135305015 is 5105035313411.

It is not a de Polignac number, because 1143135305015 - 2¹⁰ = 1143135303991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4778261 + ... + 5011790.

It is an arithmetic number, because the mean of its divisors is an integer number (63150730426).

Almost surely, 2^{1143135305015} is an apocalyptic number.

1143135305015 is a deficient number, since it is larger than the sum of its proper divisors (372482225209).

1143135305015 is a wasteful number, since it uses less digits than its factorization.

1143135305015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9790271 (or 9790260 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 32.

The spelling of 1143135305015 in words is "one trillion, one hundred forty-three billion, one hundred thirty-five million, three hundred five thousand, fifteen".