11644545113 has 8 divisors (see below), whose sum is σ = 11935247232. Its totient is φ = 11355632496.

The previous prime is 11644545109. The next prime is 11644545139. The reversal of 11644545113 is 31154544611.

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

It is a cyclic number.

It is not a de Polignac number, because 11644545113 - 2² = 11644545109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11644545193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434195 + ... + 460232.

It is an arithmetic number, because the mean of its divisors is an integer number (1491905904).

Almost surely, 2^11644545113 is an apocalyptic number.

It is an amenable number.

11644545113 is a deficient number, since it is larger than the sum of its proper divisors (290702119).

11644545113 is an equidigital number, since it uses as much as digits as its factorization.

11644545113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894751.

The product of its digits is 28800, while the sum is 35.

The spelling of 11644545113 in words is "eleven billion, six hundred forty-four million, five hundred forty-five thousand, one hundred thirteen".