1001331151043 has 2 divisors, whose sum is σ = 1001331151044. Its totient is φ = 1001331151042.

The previous prime is 1001331151033. The next prime is 1001331151081. The reversal of 1001331151043 is 3401511331001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1001331151043 - 2¹⁰ = 1001331150019 is a prime.

It is not a weakly prime, because it can be changed into another prime (1001331151003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500665575521 + 500665575522.

It is an arithmetic number, because the mean of its divisors is an integer number (500665575522).

Almost surely, 2^{1001331151043} is an apocalyptic number.

1001331151043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001331151043 is an equidigital number, since it uses as much as digits as its factorization.

1001331151043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 23.

Adding to 1001331151043 its reverse (3401511331001), we get a palindrome (4402842482044).

The spelling of 1001331151043 in words is "one trillion, one billion, three hundred thirty-one million, one hundred fifty-one thousand, forty-three".