1025641766207 has 2 divisors, whose sum is σ = 1025641766208. Its totient is φ = 1025641766206.

The previous prime is 1025641766197. The next prime is 1025641766239. The reversal of 1025641766207 is 7026671465201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1025641766207 - 2³⁰ = 1024568024383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1025641766297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512820883103 + 512820883104.

It is an arithmetic number, because the mean of its divisors is an integer number (512820883104).

Almost surely, 2^{1025641766207} is an apocalyptic number.

1025641766207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025641766207 is an equidigital number, since it uses as much as digits as its factorization.

1025641766207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 1025641766207 in words is "one trillion, twenty-five billion, six hundred forty-one million, seven hundred sixty-six thousand, two hundred seven".