1113134661 has 12 divisors (see below), whose sum is σ = 1617727488. Its totient is φ = 737536104.

The previous prime is 1113134647. The next prime is 1113134669. The reversal of 1113134661 is 1664313111.

It is not a de Polignac number, because 1113134661 - 2⁵ = 1113134629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113134669) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 377925 + ... + 380858.

It is an arithmetic number, because the mean of its divisors is an integer number (134810624).

Almost surely, 2^1113134661 is an apocalyptic number.

It is an amenable number.

1113134661 is a deficient number, since it is larger than the sum of its proper divisors (504592827).

1113134661 is a wasteful number, since it uses less digits than its factorization.

1113134661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758952 (or 758949 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 1113134661 is about 33363.6727744414. The cubic root of 1113134661 is about 1036.3725513356.

Adding to 1113134661 its reverse (1664313111), we get a palindrome (2777447772).

The spelling of 1113134661 in words is "one billion, one hundred thirteen million, one hundred thirty-four thousand, six hundred sixty-one".