115826834821 has 2 divisors, whose sum is σ = 115826834822. Its totient is φ = 115826834820.

The previous prime is 115826834771. The next prime is 115826834899. The reversal of 115826834821 is 128438628511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63254765025 + 52572069796 = 251505^2 + 229286^2 .

It is a cyclic number.

It is not a de Polignac number, because 115826834821 - 2⁷ = 115826834693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115826814821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57913417410 + 57913417411.

It is an arithmetic number, because the mean of its divisors is an integer number (57913417411).

Almost surely, 2^115826834821 is an apocalyptic number.

It is an amenable number.

115826834821 is a deficient number, since it is larger than the sum of its proper divisors (1).

115826834821 is an equidigital number, since it uses as much as digits as its factorization.

115826834821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 737280, while the sum is 49.

The spelling of 115826834821 in words is "one hundred fifteen billion, eight hundred twenty-six million, eight hundred thirty-four thousand, eight hundred twenty-one".