11881063186005 has 64 divisors (see below), whose sum is σ = 21682603127808. Its totient is φ = 5503450767360.

The previous prime is 11881063186001. The next prime is 11881063186037. The reversal of 11881063186005 is 50068136018811.

It is a happy number.

It is not a de Polignac number, because 11881063186005 - 2² = 11881063186001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11881063186001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10768225 + ... + 11820185.

It is an arithmetic number, because the mean of its divisors is an integer number (338790673872).

Almost surely, 2^{11881063186005} is an apocalyptic number.

11881063186005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11881063186005 is a deficient number, since it is larger than the sum of its proper divisors (9801539941803).

11881063186005 is a wasteful number, since it uses less digits than its factorization.

11881063186005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055406.

The product of its (nonzero) digits is 276480, while the sum is 48.

The spelling of 11881063186005 in words is "eleven trillion, eight hundred eighty-one billion, sixty-three million, one hundred eighty-six thousand, five".