11173776838 has 24 divisors (see below), whose sum is σ = 19509463872. Its totient is φ = 4785724944.

The previous prime is 11173776829. The next prime is 11173776871. The reversal of 11173776838 is 83867737111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122731 + ... + 193417.

It is an arithmetic number, because the mean of its divisors is an integer number (812894328).

Almost surely, 2^11173776838 is an apocalyptic number.

11173776838 is a deficient number, since it is larger than the sum of its proper divisors (8335687034).

11173776838 is a wasteful number, since it uses less digits than its factorization.

11173776838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72316 (or 72309 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 52.

The spelling of 11173776838 in words is "eleven billion, one hundred seventy-three million, seven hundred seventy-six thousand, eight hundred thirty-eight".