11173945895 has 16 divisors (see below), whose sum is σ = 16225697088. Its totient is φ = 7211420160.

The previous prime is 11173945889. The next prime is 11173945931. The reversal of 11173945895 is 59854937111.

11173945895 = 10416² + 10417² + ... + 10517².

It is not a de Polignac number, because 11173945895 - 2⁴ = 11173945879 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 15 ways as a sum of consecutive naturals, for example, 9389276 + ... + 9390465.

It is an arithmetic number, because the mean of its divisors is an integer number (1014106068).

Almost surely, 2^11173945895 is an apocalyptic number.

11173945895 is a deficient number, since it is larger than the sum of its proper divisors (5051751193).

11173945895 is a wasteful number, since it uses less digits than its factorization.

11173945895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18779770.

The product of its digits is 1360800, while the sum is 53.

The spelling of 11173945895 in words is "eleven billion, one hundred seventy-three million, nine hundred forty-five thousand, eight hundred ninety-five".