116505601 has 2 divisors, whose sum is σ = 116505602. Its totient is φ = 116505600.

The previous prime is 116505593. The next prime is 116505611. The reversal of 116505601 is 106505611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115584001 + 921600 = 10751^2 + 960^2 .

It is a cyclic number.

It is not a de Polignac number, because 116505601 - 2³ = 116505593 is a prime.

It is not a weakly prime, because it can be changed into another prime (116505611) 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 as a sum of consecutive naturals, namely, 58252800 + 58252801.

It is an arithmetic number, because the mean of its divisors is an integer number (58252801).

Almost surely, 2^116505601 is an apocalyptic number.

It is an amenable number.

116505601 is a deficient number, since it is larger than the sum of its proper divisors (1).

116505601 is an equidigital number, since it uses as much as digits as its factorization.

116505601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 116505601 is about 10793.7760306577. The cubic root of 116505601 is about 488.4074368189.

The spelling of 116505601 in words is "one hundred sixteen million, five hundred five thousand, six hundred one".