105571538265559 has 2 divisors, whose sum is σ = 105571538265560. Its totient is φ = 105571538265558.

The previous prime is 105571538265511. The next prime is 105571538265619. The reversal of 105571538265559 is 955562835175501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105571538265559 - 2¹¹ = 105571538263511 is a prime.

It is a super-2 number, since 2×105571538265559² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105571538265494 and 105571538265503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105571538245559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52785769132779 + 52785769132780.

It is an arithmetic number, because the mean of its divisors is an integer number (52785769132780).

Almost surely, 2^{105571538265559} is an apocalyptic number.

105571538265559 is a deficient number, since it is larger than the sum of its proper divisors (1).

105571538265559 is an equidigital number, since it uses as much as digits as its factorization.

105571538265559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 283500000, while the sum is 67.

The spelling of 105571538265559 in words is "one hundred five trillion, five hundred seventy-one billion, five hundred thirty-eight million, two hundred sixty-five thousand, five hundred fifty-nine".