1113351505 has 32 divisors (see below), whose sum is σ = 1622695680. Its totient is φ = 715868160.

The previous prime is 1113351439. The next prime is 1113351511. The reversal of 1113351505 is 5051533111.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1113351505 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1113351505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 163866 + ... + 170524.

It is an arithmetic number, because the mean of its divisors is an integer number (50709240).

Almost surely, 2^1113351505 is an apocalyptic number.

It is an amenable number.

1113351505 is a deficient number, since it is larger than the sum of its proper divisors (509344175).

1113351505 is a wasteful number, since it uses less digits than its factorization.

1113351505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6969.

The product of its (nonzero) digits is 1125, while the sum is 25.

The square root of 1113351505 is about 33366.9223183679. The cubic root of 1113351505 is about 1036.4398437565.

Adding to 1113351505 its reverse (5051533111), we get a palindrome (6164884616).

The spelling of 1113351505 in words is "one billion, one hundred thirteen million, three hundred fifty-one thousand, five hundred five".