11180069671 has 4 divisors (see below), whose sum is σ = 11208810600. Its totient is φ = 11151328744.

The previous prime is 11180069657. The next prime is 11180069689. The reversal of 11180069671 is 17696008111.

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 11180069671 - 2⁵ = 11180069639 is a prime.

It is a super-4 number, since 4×11180069671⁴ (a number of 41 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11180069071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14369881 + ... + 14370658.

It is an arithmetic number, because the mean of its divisors is an integer number (2802202650).

Almost surely, 2^11180069671 is an apocalyptic number.

11180069671 is a deficient number, since it is larger than the sum of its proper divisors (28740929).

11180069671 is an equidigital number, since it uses as much as digits as its factorization.

11180069671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28740928.

The product of its (nonzero) digits is 18144, while the sum is 40.

The spelling of 11180069671 in words is "eleven billion, one hundred eighty million, sixty-nine thousand, six hundred seventy-one".