1291883837411 has 4 divisors (see below), whose sum is σ = 1292377490712. Its totient is φ = 1291390184112.

The previous prime is 1291883837407. The next prime is 1291883837429. The reversal of 1291883837411 is 1147383881921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1291883837411 - 2² = 1291883837407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1291883837711) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 246822725 + ... + 246827958.

It is an arithmetic number, because the mean of its divisors is an integer number (323094372678).

Almost surely, 2^{1291883837411} is an apocalyptic number.

1291883837411 is a deficient number, since it is larger than the sum of its proper divisors (493653301).

1291883837411 is an equidigital number, since it uses as much as digits as its factorization.

1291883837411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493653300.

The product of its digits is 2322432, while the sum is 56.

The spelling of 1291883837411 in words is "one trillion, two hundred ninety-one billion, eight hundred eighty-three million, eight hundred thirty-seven thousand, four hundred eleven".