827151745111 has 2 divisors, whose sum is σ = 827151745112. Its totient is φ = 827151745110.

The previous prime is 827151745103. The next prime is 827151745141. The reversal of 827151745111 is 111547151728.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 827151745111 - 2³ = 827151745103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (827151745141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413575872555 + 413575872556.

It is an arithmetic number, because the mean of its divisors is an integer number (413575872556).

Almost surely, 2^827151745111 is an apocalyptic number.

827151745111 is a deficient number, since it is larger than the sum of its proper divisors (1).

827151745111 is an equidigital number, since it uses as much as digits as its factorization.

827151745111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 78400, while the sum is 43.

Adding to 827151745111 its reverse (111547151728), we get a palindrome (938698896839).

The spelling of 827151745111 in words is "eight hundred twenty-seven billion, one hundred fifty-one million, seven hundred forty-five thousand, one hundred eleven".