1353112021443 has 32 divisors (see below), whose sum is σ = 2226782025216. Its totient is φ = 711707470848.

The previous prime is 1353112021381. The next prime is 1353112021453. The reversal of 1353112021443 is 3441202113531.

It is not a de Polignac number, because 1353112021443 - 2¹² = 1353112017347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1353112021443.

It is not an unprimeable number, because it can be changed into a prime (1353112021453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6924105 + ... + 7116842.

It is an arithmetic number, because the mean of its divisors is an integer number (69586938288).

Almost surely, 2^{1353112021443} is an apocalyptic number.

1353112021443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1353112021443 is a deficient number, since it is larger than the sum of its proper divisors (873670003773).

1353112021443 is a wasteful number, since it uses less digits than its factorization.

1353112021443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14041323.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 1353112021443 its reverse (3441202113531), we get a palindrome (4794314134974).

The spelling of 1353112021443 in words is "one trillion, three hundred fifty-three billion, one hundred twelve million, twenty-one thousand, four hundred forty-three".