2015441191 has 2 divisors, whose sum is σ = 2015441192. Its totient is φ = 2015441190.

The previous prime is 2015441189. The next prime is 2015441213. The reversal of 2015441191 is 1911445102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2015441191 - 2¹ = 2015441189 is a prime.

Together with 2015441189, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2015441111) 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, 1007720595 + 1007720596.

It is an arithmetic number, because the mean of its divisors is an integer number (1007720596).

Almost surely, 2^2015441191 is an apocalyptic number.

2015441191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2015441191 is an equidigital number, since it uses as much as digits as its factorization.

2015441191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 2015441191 is about 44893.6653771999. The cubic root of 2015441191 is about 1263.1551878923.

Adding to 2015441191 its reverse (1911445102), we get a palindrome (3926886293).

The spelling of 2015441191 in words is "two billion, fifteen million, four hundred forty-one thousand, one hundred ninety-one".