1113118651 has 4 divisors (see below), whose sum is σ = 1113210400. Its totient is φ = 1113026904.

The previous prime is 1113118621. The next prime is 1113118709. The reversal of 1113118651 is 1568113111.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1113118651 - 2¹¹ = 1113116603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113118621) 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 3 ways as a sum of consecutive naturals, for example, 24291 + ... + 53068.

It is an arithmetic number, because the mean of its divisors is an integer number (278302600).

Almost surely, 2^1113118651 is an apocalyptic number.

1113118651 is a deficient number, since it is larger than the sum of its proper divisors (91749).

1113118651 is an equidigital number, since it uses as much as digits as its factorization.

1113118651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91748.

The product of its digits is 720, while the sum is 28.

The square root of 1113118651 is about 33363.4328419604. The cubic root of 1113118651 is about 1036.3675826633.

The spelling of 1113118651 in words is "one billion, one hundred thirteen million, one hundred eighteen thousand, six hundred fifty-one".