11172157162 has 8 divisors (see below), whose sum is σ = 16759918692. Its totient is φ = 5585517600.

The previous prime is 11172157159. The next prime is 11172157163. The reversal of 11172157162 is 26175127111.

It can be written as a sum of positive squares in 2 ways, for example, as 11054629881 + 117527281 = 105141^2 + 10841^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11172157163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255139 + ... + 295702.

Almost surely, 2^11172157162 is an apocalyptic number.

11172157162 is a deficient number, since it is larger than the sum of its proper divisors (5587761530).

11172157162 is a wasteful number, since it uses less digits than its factorization.

11172157162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560984.

The product of its digits is 5880, while the sum is 34.

The spelling of 11172157162 in words is "eleven billion, one hundred seventy-two million, one hundred fifty-seven thousand, one hundred sixty-two".