671011507215241 has 2 divisors, whose sum is σ = 671011507215242. Its totient is φ = 671011507215240.

The previous prime is 671011507215199. The next prime is 671011507215251. The reversal of 671011507215241 is 142512705110176.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 663370042152841 + 7641465062400 = 25755971^2 + 2764320^2 .

It is a cyclic number.

It is not a de Polignac number, because 671011507215241 - 2¹⁹ = 671011506690953 is a prime.

It is not a weakly prime, because it can be changed into another prime (671011507215251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335505753607620 + 335505753607621.

It is an arithmetic number, because the mean of its divisors is an integer number (335505753607621).

Almost surely, 2^{671011507215241} is an apocalyptic number.

It is an amenable number.

671011507215241 is a deficient number, since it is larger than the sum of its proper divisors (1).

671011507215241 is an equidigital number, since it uses as much as digits as its factorization.

671011507215241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 117600, while the sum is 43.

The spelling of 671011507215241 in words is "six hundred seventy-one trillion, eleven billion, five hundred seven million, two hundred fifteen thousand, two hundred forty-one".