115179463161 has 45 divisors (see below), whose sum is σ = 200186507829. Its totient is φ = 65804618376.

The previous prime is 115179463121. The next prime is 115179463193. The reversal of 115179463161 is 161364971511.

The square root of 115179463161 is 339381.

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

115179463161 is a `hidden beast` number, since 1 + 1 + 5 + 1 + 7 + 9 + 4 + 631 + 6 + 1 = 666.

It is not a de Polignac number, because 115179463161 - 2⁹ = 115179462649 is a prime.

It is a super-2 number, since 2×115179463161² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (115179463121) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 21378310 + ... + 21383696.

Almost surely, 2^115179463161 is an apocalyptic number.

115179463161 is the 339381-st square number.

115179463161 is the 169691-st centered octagonal number.

It is an amenable number.

115179463161 is a deficient number, since it is larger than the sum of its proper divisors (85007044668).

115179463161 is an frugal number, since it uses more digits than its factorization.

115179463161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10800 (or 5397 counting only the distinct ones).

The product of its digits is 136080, while the sum is 45.

The spelling of 115179463161 in words is "one hundred fifteen billion, one hundred seventy-nine million, four hundred sixty-three thousand, one hundred sixty-one".