1146271395909 has 4 divisors (see below), whose sum is σ = 1528361861216. Its totient is φ = 764180930604.

The previous prime is 1146271395901. The next prime is 1146271395931. The reversal of 1146271395909 is 9095931726411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1146271395909 - 2³ = 1146271395901 is a prime.

It is a super-2 number, since 2×1146271395909² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146271395901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191045232649 + ... + 191045232654.

It is an arithmetic number, because the mean of its divisors is an integer number (382090465304).

Almost surely, 2^{1146271395909} is an apocalyptic number.

It is an amenable number.

1146271395909 is a deficient number, since it is larger than the sum of its proper divisors (382090465307).

1146271395909 is an equidigital number, since it uses as much as digits as its factorization.

1146271395909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382090465306.

The product of its (nonzero) digits is 3674160, while the sum is 57.

The spelling of 1146271395909 in words is "one trillion, one hundred forty-six billion, two hundred seventy-one million, three hundred ninety-five thousand, nine hundred nine".