115861007 has 4 divisors (see below), whose sum is σ = 115927560. Its totient is φ = 115794456.

The previous prime is 115860977. The next prime is 115861091. The reversal of 115861007 is 700168511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115861007 - 2⁸ = 115860751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115861607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30593 + ... + 34170.

It is an arithmetic number, because the mean of its divisors is an integer number (28981890).

Almost surely, 2^115861007 is an apocalyptic number.

115861007 is a deficient number, since it is larger than the sum of its proper divisors (66553).

115861007 is an equidigital number, since it uses as much as digits as its factorization.

115861007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66552.

The product of its (nonzero) digits is 1680, while the sum is 29.

The square root of 115861007 is about 10763.8750921775. The cubic root of 115861007 is about 487.5050283943.

The spelling of 115861007 in words is "one hundred fifteen million, eight hundred sixty-one thousand, seven".