1113547555 has 4 divisors (see below), whose sum is σ = 1336257072. Its totient is φ = 890838040.

The previous prime is 1113547541. The next prime is 1113547579. The reversal of 1113547555 is 5557453111.

1113547555 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1113547555 - 2⁷ = 1113547427 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111354751 + ... + 111354760.

It is an arithmetic number, because the mean of its divisors is an integer number (334064268).

Almost surely, 2^1113547555 is an apocalyptic number.

1113547555 is a deficient number, since it is larger than the sum of its proper divisors (222709517).

1113547555 is an equidigital number, since it uses as much as digits as its factorization.

1113547555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222709516.

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

The square root of 1113547555 is about 33369.8599787293. The cubic root of 1113547555 is about 1036.5006757294.

The spelling of 1113547555 in words is "one billion, one hundred thirteen million, five hundred forty-seven thousand, five hundred fifty-five".