1115534445 has 16 divisors (see below), whose sum is σ = 1846402560. Its totient is φ = 574435904.

The previous prime is 1115534383. The next prime is 1115534447. The reversal of 1115534445 is 5444355111.

It is a cyclic number.

It is not a de Polignac number, because 1115534445 - 2¹⁵ = 1115501677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115534447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1281789 + ... + 1282658.

It is an arithmetic number, because the mean of its divisors is an integer number (115400160).

Almost surely, 2^1115534445 is an apocalyptic number.

1115534445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1115534445 is a deficient number, since it is larger than the sum of its proper divisors (730868115).

1115534445 is a wasteful number, since it uses less digits than its factorization.

1115534445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2564484.

The product of its digits is 24000, while the sum is 33.

The square root of 1115534445 is about 33399.6174379288. The cubic root of 1115534445 is about 1037.1167814864.

Adding to 1115534445 its reverse (5444355111), we get a palindrome (6559889556).

The spelling of 1115534445 in words is "one billion, one hundred fifteen million, five hundred thirty-four thousand, four hundred forty-five".