115617601 has 4 divisors (see below), whose sum is σ = 126128304. Its totient is φ = 105106900.

The previous prime is 115617599. The next prime is 115617611. The reversal of 115617601 is 106716511.

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.

It is a cyclic number.

It is not a de Polignac number, because 115617601 - 2¹ = 115617599 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 115617601.

It is not an unprimeable number, because it can be changed into a prime (115617611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5255335 + ... + 5255356.

It is an arithmetic number, because the mean of its divisors is an integer number (31532076).

Almost surely, 2^115617601 is an apocalyptic number.

115617601 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

115617601 is a deficient number, since it is larger than the sum of its proper divisors (10510703).

115617601 is a wasteful number, since it uses less digits than its factorization.

115617601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10510702.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 115617601 is about 10752.5625317875. The cubic root of 115617601 is about 487.1633982356.

It can be divided in two parts, 115 and 617601, that added together give a palindrome (617716).

The spelling of 115617601 in words is "one hundred fifteen million, six hundred seventeen thousand, six hundred one".