115143224321 has 2 divisors, whose sum is σ = 115143224322. Its totient is φ = 115143224320.

The previous prime is 115143224309. The next prime is 115143224353. The reversal of 115143224321 is 123422341511.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107099107600 + 8044116721 = 327260^2 + 89689^2 .

It is a cyclic number.

It is not a de Polignac number, because 115143224321 - 2²⁶ = 115076115457 is a prime.

It is a super-2 number, since 2×115143224321² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (115143424321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57571612160 + 57571612161.

It is an arithmetic number, because the mean of its divisors is an integer number (57571612161).

Almost surely, 2^115143224321 is an apocalyptic number.

It is an amenable number.

115143224321 is a deficient number, since it is larger than the sum of its proper divisors (1).

115143224321 is an equidigital number, since it uses as much as digits as its factorization.

115143224321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 29.

Adding to 115143224321 its reverse (123422341511), we get a palindrome (238565565832).

The spelling of 115143224321 in words is "one hundred fifteen billion, one hundred forty-three million, two hundred twenty-four thousand, three hundred twenty-one".