1291424488145 has 16 divisors (see below), whose sum is σ = 1690923071232. Its totient is φ = 939033912960.

The previous prime is 1291424488061. The next prime is 1291424488163. The reversal of 1291424488145 is 5418844241921.

It is not a de Polignac number, because 1291424488145 - 2²⁰ = 1291423439569 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2014937 + ... + 2577366.

It is an arithmetic number, because the mean of its divisors is an integer number (105682691952).

Almost surely, 2^{1291424488145} is an apocalyptic number.

It is an amenable number.

1291424488145 is a deficient number, since it is larger than the sum of its proper divisors (399498583087).

1291424488145 is a wasteful number, since it uses less digits than its factorization.

1291424488145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4597432.

The product of its digits is 2949120, while the sum is 53.

The spelling of 1291424488145 in words is "one trillion, two hundred ninety-one billion, four hundred twenty-four million, four hundred eighty-eight thousand, one hundred forty-five".