1113324551 has 4 divisors (see below), whose sum is σ = 1171920600. Its totient is φ = 1054728504.

The previous prime is 1113324539. The next prime is 1113324571. The reversal of 1113324551 is 1554233111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1554233111 = 2383 ⋅652217.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113324551 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1113324551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113324521) 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, 29297996 + ... + 29298033.

It is an arithmetic number, because the mean of its divisors is an integer number (292980150).

Almost surely, 2^1113324551 is an apocalyptic number.

1113324551 is a deficient number, since it is larger than the sum of its proper divisors (58596049).

1113324551 is an equidigital number, since it uses as much as digits as its factorization.

1113324551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58596048.

The product of its digits is 1800, while the sum is 26.

The square root of 1113324551 is about 33366.5184129241. The cubic root of 1113324551 is about 1036.4314796939.

Adding to 1113324551 its reverse (1554233111), we get a palindrome (2667557662).

The spelling of 1113324551 in words is "one billion, one hundred thirteen million, three hundred twenty-four thousand, five hundred fifty-one".