11886457109 has 16 divisors (see below), whose sum is σ = 12529085184. Its totient is φ = 11254848000.

The previous prime is 11886457097. The next prime is 11886457111. The reversal of 11886457109 is 90175468811.

It is a happy number.

11886457109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11886457109 - 2²⁴ = 11869679893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11886457129) 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, 1011749 + ... + 1023429.

It is an arithmetic number, because the mean of its divisors is an integer number (783067824).

Almost surely, 2^11886457109 is an apocalyptic number.

It is an amenable number.

11886457109 is a deficient number, since it is larger than the sum of its proper divisors (642628075).

11886457109 is a wasteful number, since it uses less digits than its factorization.

11886457109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12148.

The product of its (nonzero) digits is 483840, while the sum is 50.

The spelling of 11886457109 in words is "eleven billion, eight hundred eighty-six million, four hundred fifty-seven thousand, one hundred nine".