1115553344434 has 4 divisors (see below), whose sum is σ = 1673330016654. Its totient is φ = 557776672216.

The previous prime is 1115553344417. The next prime is 1115553344441. The reversal of 1115553344434 is 4344433555111.

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

It can be written as a sum of positive squares in only one way, i.e., 1072560566025 + 42992778409 = 1035645^2 + 207347^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278888336107 + ... + 278888336110.

Almost surely, 2^{1115553344434} is an apocalyptic number.

1115553344434 is a deficient number, since it is larger than the sum of its proper divisors (557776672220).

1115553344434 is an equidigital number, since it uses as much as digits as its factorization.

1115553344434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557776672219.

The product of its digits is 864000, while the sum is 43.

Adding to 1115553344434 its reverse (4344433555111), we get a palindrome (5459986899545).

The spelling of 1115553344434 in words is "one trillion, one hundred fifteen billion, five hundred fifty-three million, three hundred forty-four thousand, four hundred thirty-four".