1113455579 has 4 divisors (see below), whose sum is σ = 1178952984. Its totient is φ = 1047958176.

The previous prime is 1113455569. The next prime is 1113455597. The reversal of 1113455579 is 9755543111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9755543111 = 23473 ⋅415607.

It is a cyclic number.

It is not a de Polignac number, because 1113455579 - 2¹⁶ = 1113390043 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1113455569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32748677 + ... + 32748710.

It is an arithmetic number, because the mean of its divisors is an integer number (294738246).

Almost surely, 2^1113455579 is an apocalyptic number.

1113455579 is a deficient number, since it is larger than the sum of its proper divisors (65497405).

1113455579 is an equidigital number, since it uses as much as digits as its factorization.

1113455579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65497404.

The product of its digits is 94500, while the sum is 41.

The square root of 1113455579 is about 33368.4818204245. The cubic root of 1113455579 is about 1036.4721375645.

The spelling of 1113455579 in words is "one billion, one hundred thirteen million, four hundred fifty-five thousand, five hundred seventy-nine".