11161174151 has 4 divisors (see below), whose sum is σ = 11177516232. Its totient is φ = 11144832072.

The previous prime is 11161174103. The next prime is 11161174217. The reversal of 11161174151 is 15147116111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11161174151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11161173151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8170016 + ... + 8171381.

It is an arithmetic number, because the mean of its divisors is an integer number (2794379058).

Almost surely, 2^11161174151 is an apocalyptic number.

11161174151 is a deficient number, since it is larger than the sum of its proper divisors (16342081).

11161174151 is an equidigital number, since it uses as much as digits as its factorization.

11161174151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16342080.

The product of its digits is 840, while the sum is 29.

The spelling of 11161174151 in words is "eleven billion, one hundred sixty-one million, one hundred seventy-four thousand, one hundred fifty-one".