11173791127 has 16 divisors (see below), whose sum is σ = 11955969792. Its totient is φ = 10405664640.

The previous prime is 11173791107. The next prime is 11173791137. The reversal of 11173791127 is 72119737111.

It is not a de Polignac number, because 11173791127 - 2²³ = 11165402519 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11173791127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11173791107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3127252 + ... + 3130822.

It is an arithmetic number, because the mean of its divisors is an integer number (747248112).

Almost surely, 2^11173791127 is an apocalyptic number.

11173791127 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11173791127 is a deficient number, since it is larger than the sum of its proper divisors (782178665).

11173791127 is a wasteful number, since it uses less digits than its factorization.

11173791127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5478.

The product of its digits is 18522, while the sum is 40.

The spelling of 11173791127 in words is "eleven billion, one hundred seventy-three million, seven hundred ninety-one thousand, one hundred twenty-seven".