11218346671 has 32 divisors (see below), whose sum is σ = 13250304000. Its totient is φ = 9300141312.

The previous prime is 11218346663. The next prime is 11218346677. The reversal of 11218346671 is 17664381211.

It is not a de Polignac number, because 11218346671 - 2³ = 11218346663 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 (11218346677) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8784285 + ... + 8785561.

It is an arithmetic number, because the mean of its divisors is an integer number (414072000).

Almost surely, 2^11218346671 is an apocalyptic number.

11218346671 is a deficient number, since it is larger than the sum of its proper divisors (2031957329).

11218346671 is a wasteful number, since it uses less digits than its factorization.

11218346671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671.

The product of its digits is 48384, while the sum is 40.

The spelling of 11218346671 in words is "eleven billion, two hundred eighteen million, three hundred forty-six thousand, six hundred seventy-one".