11671163815 has 8 divisors (see below), whose sum is σ = 14614327008. Its totient is φ = 8930977440.

The previous prime is 11671163797. The next prime is 11671163831. The reversal of 11671163815 is 51836117611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11671163815 - 2²⁷ = 11536946087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50744076 + ... + 50744305.

It is an arithmetic number, because the mean of its divisors is an integer number (1826790876).

Almost surely, 2^11671163815 is an apocalyptic number.

11671163815 is a deficient number, since it is larger than the sum of its proper divisors (2943163193).

11671163815 is a wasteful number, since it uses less digits than its factorization.

11671163815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101488409.

The product of its digits is 30240, while the sum is 40.

The spelling of 11671163815 in words is "eleven billion, six hundred seventy-one million, one hundred sixty-three thousand, eight hundred fifteen".