538686358711 has 2 divisors, whose sum is σ = 538686358712. Its totient is φ = 538686358710.

The previous prime is 538686358619. The next prime is 538686358829. The reversal of 538686358711 is 117853686835.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 538686358711 - 2¹⁵ = 538686325943 is a prime.

It is a super-2 number, since 2×538686358711² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 538686358711.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538686358411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269343179355 + 269343179356.

It is an arithmetic number, because the mean of its divisors is an integer number (269343179356).

Almost surely, 2^538686358711 is an apocalyptic number.

538686358711 is a deficient number, since it is larger than the sum of its proper divisors (1).

538686358711 is an equidigital number, since it uses as much as digits as its factorization.

538686358711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29030400, while the sum is 61.

The spelling of 538686358711 in words is "five hundred thirty-eight billion, six hundred eighty-six million, three hundred fifty-eight thousand, seven hundred eleven".