1116015601 has 2 divisors, whose sum is σ = 1116015602. Its totient is φ = 1116015600.

The previous prime is 1116015599. The next prime is 1116015619. The reversal of 1116015601 is 1065106111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 624950001 + 491065600 = 24999^2 + 22160^2 .

It is a cyclic number.

It is not a de Polignac number, because 1116015601 - 2¹ = 1116015599 is a prime.

Together with 1116015599, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1116015631) 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, 558007800 + 558007801.

It is an arithmetic number, because the mean of its divisors is an integer number (558007801).

Almost surely, 2^1116015601 is an apocalyptic number.

It is an amenable number.

1116015601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1116015601 is an equidigital number, since it uses as much as digits as its factorization.

1116015601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 22.

The square root of 1116015601 is about 33406.8196780238. The cubic root of 1116015601 is about 1037.2658709314.

The spelling of 1116015601 in words is "one billion, one hundred sixteen million, fifteen thousand, six hundred one".