115351828021 has 2 divisors, whose sum is σ = 115351828022. Its totient is φ = 115351828020.

The previous prime is 115351827961. The next prime is 115351828037. The reversal of 115351828021 is 120828153511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115345140625 + 6687396 = 339625^2 + 2586^2 .

It is a cyclic number.

It is not a de Polignac number, because 115351828021 - 2²³ = 115343439413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115351828121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57675914010 + 57675914011.

It is an arithmetic number, because the mean of its divisors is an integer number (57675914011).

Almost surely, 2^115351828021 is an apocalyptic number.

It is an amenable number.

115351828021 is a deficient number, since it is larger than the sum of its proper divisors (1).

115351828021 is an equidigital number, since it uses as much as digits as its factorization.

115351828021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 37.

The spelling of 115351828021 in words is "one hundred fifteen billion, three hundred fifty-one million, eight hundred twenty-eight thousand, twenty-one".