218040560701 has 2 divisors, whose sum is σ = 218040560702. Its totient is φ = 218040560700.

The previous prime is 218040560669. The next prime is 218040560719. The reversal of 218040560701 is 107065040812.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133374692025 + 84665868676 = 365205^2 + 290974^2 .

It is a cyclic number.

It is not a de Polignac number, because 218040560701 - 2⁵ = 218040560669 is a prime.

It is a super-2 number, since 2×218040560701² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (218040569701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109020280350 + 109020280351.

It is an arithmetic number, because the mean of its divisors is an integer number (109020280351).

Almost surely, 2^218040560701 is an apocalyptic number.

It is an amenable number.

218040560701 is a deficient number, since it is larger than the sum of its proper divisors (1).

218040560701 is an equidigital number, since it uses as much as digits as its factorization.

218040560701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 34.

The spelling of 218040560701 in words is "two hundred eighteen billion, forty million, five hundred sixty thousand, seven hundred one".