1131414451 has 4 divisors (see below), whose sum is σ = 1190962600. Its totient is φ = 1071866304.

The previous prime is 1131414437. The next prime is 1131414457. The reversal of 1131414451 is 1544141311.

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

It is not a de Polignac number, because 1131414451 - 2²⁵ = 1097860019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131414457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29774046 + ... + 29774083.

It is an arithmetic number, because the mean of its divisors is an integer number (297740650).

Almost surely, 2^1131414451 is an apocalyptic number.

1131414451 is a deficient number, since it is larger than the sum of its proper divisors (59548149).

1131414451 is an equidigital number, since it uses as much as digits as its factorization.

1131414451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59548148.

The product of its digits is 960, while the sum is 25.

The square root of 1131414451 is about 33636.5047381561. The cubic root of 1131414451 is about 1042.0148473980.

Adding to 1131414451 its reverse (1544141311), we get a palindrome (2675555762).

The spelling of 1131414451 in words is "one billion, one hundred thirty-one million, four hundred fourteen thousand, four hundred fifty-one".