115276161 has 64 divisors (see below), whose sum is σ = 215470080. Its totient is φ = 52842240.

The previous prime is 115276141. The next prime is 115276169. The reversal of 115276161 is 161672511.

It is not a de Polignac number, because 115276161 - 2¹⁰ = 115275137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115276169) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 68235 + ... + 69903.

It is an arithmetic number, because the mean of its divisors is an integer number (3366720).

Almost surely, 2^115276161 is an apocalyptic number.

115276161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

115276161 is a deficient number, since it is larger than the sum of its proper divisors (100193919).

115276161 is a wasteful number, since it uses less digits than its factorization.

115276161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1726.

The product of its digits is 2520, while the sum is 30.

The square root of 115276161 is about 10736.6736468983. The cubic root of 115276161 is about 486.6833644007.

The spelling of 115276161 in words is "one hundred fifteen million, two hundred seventy-six thousand, one hundred sixty-one".