1113366261 has 16 divisors (see below), whose sum is σ = 1796356224. Its totient is φ = 598785024.

The previous prime is 1113366229. The next prime is 1113366299. The reversal of 1113366261 is 1626633111.

It is not a de Polignac number, because 1113366261 - 2⁵ = 1113366229 is a prime.

It is a super-2 number, since 2×1113366261² = 2479168862266240242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103366261) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1558980 + ... + 1559693.

It is an arithmetic number, because the mean of its divisors is an integer number (112272264).

Almost surely, 2^1113366261 is an apocalyptic number.

It is an amenable number.

1113366261 is a deficient number, since it is larger than the sum of its proper divisors (682989963).

1113366261 is a wasteful number, since it uses less digits than its factorization.

1113366261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3118700.

The product of its digits is 3888, while the sum is 30.

The square root of 1113366261 is about 33367.1434348222. The cubic root of 1113366261 is about 1036.4444226155. Note that the first 4 decimals are identical.

Adding to 1113366261 its reverse (1626633111), we get a palindrome (2739999372).

The spelling of 1113366261 in words is "one billion, one hundred thirteen million, three hundred sixty-six thousand, two hundred sixty-one".