11530679161 has 9 divisors (see below), whose sum is σ = 11618207301. Its totient is φ = 11443807932.

The previous prime is 11530679143. The next prime is 11530679179. The reversal of 11530679161 is 16197603511.

The square root of 11530679161 is 107381.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (11530679143) and next prime (11530679179).

It is not a de Polignac number, because 11530679161 - 2⁵ = 11530679129 is a prime.

It is a super-3 number, since 3×11530679161³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11530679141) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 17932306 + ... + 17932948.

Almost surely, 2^11530679161 is an apocalyptic number.

11530679161 is the 107381-st square number.

11530679161 is the 53691-st centered octagonal number.

It is an amenable number.

11530679161 is a deficient number, since it is larger than the sum of its proper divisors (87528140).

11530679161 is an frugal number, since it uses more digits than its factorization.

11530679161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620 (or 810 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 40.

The spelling of 11530679161 in words is "eleven billion, five hundred thirty million, six hundred seventy-nine thousand, one hundred sixty-one".