27111211172 has 24 divisors (see below), whose sum is σ = 47945251200. Its totient is φ = 13412907936.

The previous prime is 27111211163. The next prime is 27111211189.

27111211172 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×27111211172² (a number of 22 digits) contains 22 as substring.

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, 280133 + ... + 364275.

It is an arithmetic number, because the mean of its divisors is an integer number (1997718800).

Almost surely, 2^27111211172 is an apocalyptic number.

It is an amenable number.

27111211172 is a deficient number, since it is larger than the sum of its proper divisors (20834040028).

27111211172 is a wasteful number, since it uses less digits than its factorization.

27111211172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84995 (or 84993 counting only the distinct ones).

The product of its digits is 392, while the sum is 26.

The spelling of 27111211172 in words is "twenty-seven billion, one hundred eleven million, two hundred eleven thousand, one hundred seventy-two".