1115432453 has 4 divisors (see below), whose sum is σ = 1116319680. Its totient is φ = 1114545228.

The previous prime is 1115432431. The next prime is 1115432459. The reversal of 1115432453 is 3542345111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3542345111 = 109 ⋅32498579.

It is a cyclic number.

It is not a de Polignac number, because 1115432453 - 2⁶ = 1115432389 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 (1115432459) 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, 441725 + ... + 444242.

It is an arithmetic number, because the mean of its divisors is an integer number (279079920).

Almost surely, 2^1115432453 is an apocalyptic number.

It is an amenable number.

1115432453 is a deficient number, since it is larger than the sum of its proper divisors (887227).

1115432453 is an equidigital number, since it uses as much as digits as its factorization.

1115432453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887226.

The product of its digits is 7200, while the sum is 29.

The square root of 1115432453 is about 33398.0905591922. The cubic root of 1115432453 is about 1037.0851730680.

Adding to 1115432453 its reverse (3542345111), we get a palindrome (4657777564).

The spelling of 1115432453 in words is "one billion, one hundred fifteen million, four hundred thirty-two thousand, four hundred fifty-three".