86541850180381 has 2 divisors, whose sum is σ = 86541850180382. Its totient is φ = 86541850180380.

The previous prime is 86541850180367. The next prime is 86541850180393. The reversal of 86541850180381 is 18308105814568.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49637027076025 + 36904823104356 = 7045355^2 + 6074934^2 .

It is a cyclic number.

It is not a de Polignac number, because 86541850180381 - 2¹³ = 86541850172189 is a prime.

It is a super-2 number, since 2×86541850180381² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86541850180321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43270925090190 + 43270925090191.

It is an arithmetic number, because the mean of its divisors is an integer number (43270925090191).

Almost surely, 2^{86541850180381} is an apocalyptic number.

It is an amenable number.

86541850180381 is a deficient number, since it is larger than the sum of its proper divisors (1).

86541850180381 is an equidigital number, since it uses as much as digits as its factorization.

86541850180381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7372800, while the sum is 58.

The spelling of 86541850180381 in words is "eighty-six trillion, five hundred forty-one billion, eight hundred fifty million, one hundred eighty thousand, three hundred eighty-one".