1141271265009 has 8 divisors (see below), whose sum is σ = 1587855673152. Its totient is φ = 727767183440.

The previous prime is 1141271264953. The next prime is 1141271265077. The reversal of 1141271265009 is 9005621721411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1141271265009 - 2²⁰ = 1141270216433 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1141271265209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8270081562 + ... + 8270081699.

It is an arithmetic number, because the mean of its divisors is an integer number (198481959144).

Almost surely, 2^{1141271265009} is an apocalyptic number.

It is an amenable number.

1141271265009 is a deficient number, since it is larger than the sum of its proper divisors (446584408143).

1141271265009 is a wasteful number, since it uses less digits than its factorization.

1141271265009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16540163287.

The product of its (nonzero) digits is 30240, while the sum is 39.

The spelling of 1141271265009 in words is "one trillion, one hundred forty-one billion, two hundred seventy-one million, two hundred sixty-five thousand, nine".