827151745141 has 2 divisors, whose sum is σ = 827151745142. Its totient is φ = 827151745140.

The previous prime is 827151745111. The next prime is 827151745223. The reversal of 827151745141 is 141547151728.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 668217962916 + 158933782225 = 817446^2 + 398665^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-827151745141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 827151745091 and 827151745100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (827151745111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413575872570 + 413575872571.

It is an arithmetic number, because the mean of its divisors is an integer number (413575872571).

Almost surely, 2^827151745141 is an apocalyptic number.

It is an amenable number.

827151745141 is a deficient number, since it is larger than the sum of its proper divisors (1).

827151745141 is an equidigital number, since it uses as much as digits as its factorization.

827151745141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 313600, while the sum is 46.

Adding to 827151745141 its reverse (141547151728), we get a palindrome (968698896869).

The spelling of 827151745141 in words is "eight hundred twenty-seven billion, one hundred fifty-one million, seven hundred forty-five thousand, one hundred forty-one".