2215510006441 has 2 divisors, whose sum is σ = 2215510006442. Its totient is φ = 2215510006440.

The previous prime is 2215510006433. The next prime is 2215510006477. The reversal of 2215510006441 is 1446000155122.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2139432782400 + 76077224041 = 1462680^2 + 275821^2 .

It is a cyclic number.

It is not a de Polignac number, because 2215510006441 - 2³ = 2215510006433 is a prime.

It is a super-2 number, since 2×2215510006441² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2215510007441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107755003220 + 1107755003221.

It is an arithmetic number, because the mean of its divisors is an integer number (1107755003221).

Almost surely, 2^{2215510006441} is an apocalyptic number.

It is an amenable number.

2215510006441 is a deficient number, since it is larger than the sum of its proper divisors (1).

2215510006441 is an equidigital number, since it uses as much as digits as its factorization.

2215510006441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 31.

The spelling of 2215510006441 in words is "two trillion, two hundred fifteen billion, five hundred ten million, six thousand, four hundred forty-one".