11133644651 has 16 divisors (see below), whose sum is σ = 11523091104. Its totient is φ = 10751829504.

The previous prime is 11133644647. The next prime is 11133644671. The reversal of 11133644651 is 15644633111.

It is a cyclic number.

It is not a de Polignac number, because 11133644651 - 2² = 11133644647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11133644671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1213955 + ... + 1223091.

It is an arithmetic number, because the mean of its divisors is an integer number (720193194).

Almost surely, 2^11133644651 is an apocalyptic number.

11133644651 is a deficient number, since it is larger than the sum of its proper divisors (389446453).

11133644651 is an equidigital number, since it uses as much as digits as its factorization.

11133644651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9550.

The product of its digits is 25920, while the sum is 35.

The spelling of 11133644651 in words is "eleven billion, one hundred thirty-three million, six hundred forty-four thousand, six hundred fifty-one".