1113455311 has 4 divisors (see below), whose sum is σ = 1113855352. Its totient is φ = 1113055272.

The previous prime is 1113455281. The next prime is 1113455381. The reversal of 1113455311 is 1135543111.

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

It is a cyclic number.

It is not a de Polignac number, because 1113455311 - 2⁷ = 1113455183 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 (1113455381) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 195816 + ... + 201421.

It is an arithmetic number, because the mean of its divisors is an integer number (278463838).

Almost surely, 2^1113455311 is an apocalyptic number.

1113455311 is a deficient number, since it is larger than the sum of its proper divisors (400041).

1113455311 is an equidigital number, since it uses as much as digits as its factorization.

1113455311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400040.

The product of its digits is 900, while the sum is 25.

The square root of 1113455311 is about 33368.4778046587. The cubic root of 1113455311 is about 1036.4720544076.

Adding to 1113455311 its reverse (1135543111), we get a palindrome (2248998422).

The spelling of 1113455311 in words is "one billion, one hundred thirteen million, four hundred fifty-five thousand, three hundred eleven".