115563061 has 4 divisors (see below), whose sum is σ = 115804800. Its totient is φ = 115321324.

The previous prime is 115563047. The next prime is 115563067. The reversal of 115563061 is 160365511.

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 115563061 - 2⁷ = 115562933 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 (115563067) 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, 120151 + ... + 121108.

It is an arithmetic number, because the mean of its divisors is an integer number (28951200).

Almost surely, 2^115563061 is an apocalyptic number.

It is an amenable number.

115563061 is a deficient number, since it is larger than the sum of its proper divisors (241739).

115563061 is an equidigital number, since it uses as much as digits as its factorization.

115563061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241738.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 115563061 is about 10750.0260929916. The cubic root of 115563061 is about 487.0867833992.

The spelling of 115563061 in words is "one hundred fifteen million, five hundred sixty-three thousand, sixty-one".