1113261055 has 8 divisors (see below), whose sum is σ = 1343636352. Its totient is φ = 885460128.

The previous prime is 1113261011. The next prime is 1113261067. The reversal of 1113261055 is 5501623111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113261055 is a prime.

It is a Duffinian number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 642639 + ... + 644368.

It is an arithmetic number, because the mean of its divisors is an integer number (167954544).

Almost surely, 2^1113261055 is an apocalyptic number.

1113261055 is a deficient number, since it is larger than the sum of its proper divisors (230375297).

1113261055 is a wasteful number, since it uses less digits than its factorization.

1113261055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287185.

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

The square root of 1113261055 is about 33365.5669066180. The cubic root of 1113261055 is about 1036.4117757946.

Adding to 1113261055 its reverse (5501623111), we get a palindrome (6614884166).

The spelling of 1113261055 in words is "one billion, one hundred thirteen million, two hundred sixty-one thousand, fifty-five".