1021343115005 has 16 divisors (see below), whose sum is σ = 1313341573824. Its totient is φ = 759746085120.

The previous prime is 1021343114843. The next prime is 1021343115011. The reversal of 1021343115005 is 5005113431201.

It is not a de Polignac number, because 1021343115005 - 2⁸ = 1021343114749 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, 72377291 + ... + 72391400.

It is an arithmetic number, because the mean of its divisors is an integer number (82083848364).

Almost surely, 2^{1021343115005} is an apocalyptic number.

It is an amenable number.

1021343115005 is a deficient number, since it is larger than the sum of its proper divisors (291998458819).

1021343115005 is a wasteful number, since it uses less digits than its factorization.

1021343115005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144768796.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 1021343115005 its reverse (5005113431201), we get a palindrome (6026456546206).

The spelling of 1021343115005 in words is "one trillion, twenty-one billion, three hundred forty-three million, one hundred fifteen thousand, five".