11643174887 has 8 divisors (see below), whose sum is σ = 11934063504. Its totient is φ = 11353200768.

The previous prime is 11643174877. The next prime is 11643174913. The reversal of 11643174887 is 78847134611.

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 11643174887 - 2²² = 11638980583 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 (11643174827) 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, 202808 + ... + 253805.

It is an arithmetic number, because the mean of its divisors is an integer number (1491757938).

Almost surely, 2^11643174887 is an apocalyptic number.

11643174887 is a deficient number, since it is larger than the sum of its proper divisors (290888617).

11643174887 is an equidigital number, since it uses as much as digits as its factorization.

11643174887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457249.

The product of its digits is 903168, while the sum is 50.

The spelling of 11643174887 in words is "eleven billion, six hundred forty-three million, one hundred seventy-four thousand, eight hundred eighty-seven".