215210004041 has 2 divisors, whose sum is σ = 215210004042. Its totient is φ = 215210004040.

The previous prime is 215210003993. The next prime is 215210004059. The reversal of 215210004041 is 140400012512.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128246353225 + 86963650816 = 358115^2 + 294896^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-215210004041 is a prime.

It is not a weakly prime, because it can be changed into another prime (215210004941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107605002020 + 107605002021.

It is an arithmetic number, because the mean of its divisors is an integer number (107605002021).

Almost surely, 2^215210004041 is an apocalyptic number.

It is an amenable number.

215210004041 is a deficient number, since it is larger than the sum of its proper divisors (1).

215210004041 is an equidigital number, since it uses as much as digits as its factorization.

215210004041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 215210004041 its reverse (140400012512), we get a palindrome (355610016553).

The spelling of 215210004041 in words is "two hundred fifteen billion, two hundred ten million, four thousand, forty-one".