8887481381311 has 4 divisors (see below), whose sum is σ = 9571133795272. Its totient is φ = 8203828967352.

The previous prime is 8887481381281. The next prime is 8887481381321. The reversal of 8887481381311 is 1131831847888.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8887481381311 - 2⁵ = 8887481381279 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 8887481381311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8887481381321) 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 3 ways as a sum of consecutive naturals, for example, 341826206961 + ... + 341826206986.

It is an arithmetic number, because the mean of its divisors is an integer number (2392783448818).

Almost surely, 2^{8887481381311} is an apocalyptic number.

8887481381311 is a deficient number, since it is larger than the sum of its proper divisors (683652413961).

8887481381311 is a wasteful number, since it uses less digits than its factorization.

8887481381311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683652413960.

The product of its digits is 8257536, while the sum is 61.

The spelling of 8887481381311 in words is "eight trillion, eight hundred eighty-seven billion, four hundred eighty-one million, three hundred eighty-one thousand, three hundred eleven".