1111435055 has 4 divisors (see below), whose sum is σ = 1333722072. Its totient is φ = 889148040.

The previous prime is 1111435037. The next prime is 1111435057. The reversal of 1111435055 is 5505341111.

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

It is not a de Polignac number, because 1111435055 - 2¹⁰ = 1111434031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111435057) 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 3 ways as a sum of consecutive naturals, for example, 111143501 + ... + 111143510.

It is an arithmetic number, because the mean of its divisors is an integer number (333430518).

Almost surely, 2^1111435055 is an apocalyptic number.

1111435055 is a deficient number, since it is larger than the sum of its proper divisors (222287017).

1111435055 is an equidigital number, since it uses as much as digits as its factorization.

1111435055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222287016.

The product of its (nonzero) digits is 1500, while the sum is 26.

The square root of 1111435055 is about 33338.1921375470. The cubic root of 1111435055 is about 1035.8448157689.

Adding to 1111435055 its reverse (5505341111), we get a palindrome (6616776166).

The spelling of 1111435055 in words is "one billion, one hundred eleven million, four hundred thirty-five thousand, fifty-five".