11886645149 has 4 divisors (see below), whose sum is σ = 11886997536. Its totient is φ = 11886292764.

The previous prime is 11886645107. The next prime is 11886645151. The reversal of 11886645149 is 94154668811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11886645149 - 2⁸ = 11886644893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11886645149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11886645949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119519 + ... + 195084.

It is an arithmetic number, because the mean of its divisors is an integer number (2971749384).

Almost surely, 2^11886645149 is an apocalyptic number.

It is an amenable number.

11886645149 is a deficient number, since it is larger than the sum of its proper divisors (352387).

11886645149 is an equidigital number, since it uses as much as digits as its factorization.

11886645149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352386.

The product of its digits is 1658880, while the sum is 53.

The spelling of 11886645149 in words is "eleven billion, eight hundred eighty-six million, six hundred forty-five thousand, one hundred forty-nine".