1141111453 has 4 divisors (see below), whose sum is σ = 1153933020. Its totient is φ = 1128289888.

The previous prime is 1141111441. The next prime is 1141111463. The reversal of 1141111453 is 3541111411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 440874009 + 700237444 = 20997^2 + 26462^2 .

It is a cyclic number.

It is not a de Polignac number, because 1141111453 - 2²⁹ = 604240541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141111463) 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, 6410650 + ... + 6410827.

It is an arithmetic number, because the mean of its divisors is an integer number (288483255).

Almost surely, 2^1141111453 is an apocalyptic number.

It is an amenable number.

1141111453 is a deficient number, since it is larger than the sum of its proper divisors (12821567).

1141111453 is an equidigital number, since it uses as much as digits as its factorization.

1141111453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12821566.

The product of its digits is 240, while the sum is 22.

The square root of 1141111453 is about 33780.3412208936. The cubic root of 1141111453 is about 1044.9833114709.

Adding to 1141111453 its reverse (3541111411), we get a palindrome (4682222864).

The spelling of 1141111453 in words is "one billion, one hundred forty-one million, one hundred eleven thousand, four hundred fifty-three".