115315361 has 4 divisors (see below), whose sum is σ = 131788992. Its totient is φ = 98841732.

The previous prime is 115315357. The next prime is 115315391. The reversal of 115315361 is 163513511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 163513511 = 7 ⋅23359073.

It is a cyclic number.

It is not a de Polignac number, because 115315361 - 2² = 115315357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115315361.

It is not an unprimeable number, because it can be changed into a prime (115315331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8236805 + ... + 8236818.

It is an arithmetic number, because the mean of its divisors is an integer number (32947248).

Almost surely, 2^115315361 is an apocalyptic number.

It is an amenable number.

115315361 is a deficient number, since it is larger than the sum of its proper divisors (16473631).

115315361 is an equidigital number, since it uses as much as digits as its factorization.

115315361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16473630.

The product of its digits is 1350, while the sum is 26.

The square root of 115315361 is about 10738.4990105694. The cubic root of 115315361 is about 486.7385241886.

Adding to 115315361 its reverse (163513511), we get a palindrome (278828872).

The spelling of 115315361 in words is "one hundred fifteen million, three hundred fifteen thousand, three hundred sixty-one".