105861539533 has 2 divisors, whose sum is σ = 105861539534. Its totient is φ = 105861539532.

The previous prime is 105861539521. The next prime is 105861539543. The reversal of 105861539533 is 335935168501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105694561449 + 166978084 = 325107^2 + 12922^2 .

It is a cyclic number.

It is not a de Polignac number, because 105861539533 - 2¹⁷ = 105861408461 is a prime.

It is a super-2 number, since 2×105861539533² (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 (105861539503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52930769766 + 52930769767.

It is an arithmetic number, because the mean of its divisors is an integer number (52930769767).

Almost surely, 2^105861539533 is an apocalyptic number.

It is an amenable number.

105861539533 is a deficient number, since it is larger than the sum of its proper divisors (1).

105861539533 is an equidigital number, since it uses as much as digits as its factorization.

105861539533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458000, while the sum is 49.

The spelling of 105861539533 in words is "one hundred five billion, eight hundred sixty-one million, five hundred thirty-nine thousand, five hundred thirty-three".