1006261331005 has 16 divisors (see below), whose sum is σ = 1380356394624. Its totient is φ = 689837342400.

The previous prime is 1006261330979. The next prime is 1006261331027. The reversal of 1006261331005 is 5001331626001.

It is not a de Polignac number, because 1006261331005 - 2⁹ = 1006261330493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3406762 + ... + 3690331.

It is an arithmetic number, because the mean of its divisors is an integer number (86272274664).

Almost surely, 2^{1006261331005} is an apocalyptic number.

It is an amenable number.

1006261331005 is a deficient number, since it is larger than the sum of its proper divisors (374095063619).

1006261331005 is an equidigital number, since it uses as much as digits as its factorization.

1006261331005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7101156.

The product of its (nonzero) digits is 3240, while the sum is 28.

Adding to 1006261331005 its reverse (5001331626001), we get a palindrome (6007592957006).

The spelling of 1006261331005 in words is "one trillion, six billion, two hundred sixty-one million, three hundred thirty-one thousand, five".