1113455755 has 4 divisors (see below), whose sum is σ = 1336146912. Its totient is φ = 890764600.

The previous prime is 1113455741. The next prime is 1113455789. The reversal of 1113455755 is 5575543111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5575543111 = 1217 ⋅4581383.

It is not a de Polignac number, because 1113455755 - 2⁵ = 1113455723 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 111345571 + ... + 111345580.

It is an arithmetic number, because the mean of its divisors is an integer number (334036728).

Almost surely, 2^1113455755 is an apocalyptic number.

1113455755 is a deficient number, since it is larger than the sum of its proper divisors (222691157).

1113455755 is an equidigital number, since it uses as much as digits as its factorization.

1113455755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222691156.

The product of its digits is 52500, while the sum is 37.

The square root of 1113455755 is about 33368.4844576436. The cubic root of 1113455755 is about 1036.4721921750.

Adding to 1113455755 its reverse (5575543111), we get a palindrome (6688998866).

The spelling of 1113455755 in words is "one billion, one hundred thirteen million, four hundred fifty-five thousand, seven hundred fifty-five".