11243130451 has 4 divisors (see below), whose sum is σ = 12849291952. Its totient is φ = 9636968952.

The previous prime is 11243130403. The next prime is 11243130463. The reversal of 11243130451 is 15403134211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15403134211 = 29 ⋅531142559.

It is a cyclic number.

It is not a de Polignac number, because 11243130451 - 2¹⁵ = 11243097683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11243131451) 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, 803080740 + ... + 803080753.

It is an arithmetic number, because the mean of its divisors is an integer number (3212322988).

Almost surely, 2^11243130451 is an apocalyptic number.

11243130451 is a deficient number, since it is larger than the sum of its proper divisors (1606161501).

11243130451 is an equidigital number, since it uses as much as digits as its factorization.

11243130451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606161500.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 11243130451 its reverse (15403134211), we get a palindrome (26646264662).

The spelling of 11243130451 in words is "eleven billion, two hundred forty-three million, one hundred thirty thousand, four hundred fifty-one".