1353111443 has 4 divisors (see below), whose sum is σ = 1366508688. Its totient is φ = 1339714200.

The previous prime is 1353111439. The next prime is 1353111449. The reversal of 1353111443 is 3441113531.

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 1353111443 - 2² = 1353111439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1353111449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6698471 + ... + 6698672.

It is an arithmetic number, because the mean of its divisors is an integer number (341627172).

Almost surely, 2^1353111443 is an apocalyptic number.

1353111443 is a deficient number, since it is larger than the sum of its proper divisors (13397245).

1353111443 is a wasteful number, since it uses less digits than its factorization.

1353111443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13397244.

The product of its digits is 2160, while the sum is 26.

The square root of 1353111443 is about 36784.6631491985. The cubic root of 1353111443 is about 1106.0578835926.

Adding to 1353111443 its reverse (3441113531), we get a palindrome (4794224974).

The spelling of 1353111443 in words is "one billion, three hundred fifty-three million, one hundred eleven thousand, four hundred forty-three".