115217061 has 8 divisors (see below), whose sum is σ = 153844704. Its totient is φ = 76700400.

The previous prime is 115217057. The next prime is 115217099. The reversal of 115217061 is 160712511.

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

It is not a de Polignac number, because 115217061 - 2² = 115217057 is a prime.

It is a super-2 number, since 2×115217061² = 26549942290955442, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115217021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25291 + ... + 29496.

It is an arithmetic number, because the mean of its divisors is an integer number (19230588).

Almost surely, 2^115217061 is an apocalyptic number.

It is an amenable number.

115217061 is a deficient number, since it is larger than the sum of its proper divisors (38627643).

115217061 is an equidigital number, since it uses as much as digits as its factorization.

115217061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55491.

The product of its (nonzero) digits is 420, while the sum is 24.

The square root of 115217061 is about 10733.9210449863. The cubic root of 115217061 is about 486.6001789343.

Adding to 115217061 its reverse (160712511), we get a palindrome (275929572).

The spelling of 115217061 in words is "one hundred fifteen million, two hundred seventeen thousand, sixty-one".