115242400345481 has 2 divisors, whose sum is σ = 115242400345482. Its totient is φ = 115242400345480.

The previous prime is 115242400345433. The next prime is 115242400345483. The reversal of 115242400345481 is 184543004242511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115221096023881 + 21304321600 = 10734109^2 + 145960^2 .

It is a cyclic number.

It is not a de Polignac number, because 115242400345481 - 2¹⁰ = 115242400344457 is a prime.

It is a super-2 number, since 2×115242400345481² (a number of 29 digits) contains 22 as substring.

Together with 115242400345483, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (115242400345483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57621200172740 + 57621200172741.

It is an arithmetic number, because the mean of its divisors is an integer number (57621200172741).

Almost surely, 2^{115242400345481} is an apocalyptic number.

It is an amenable number.

115242400345481 is a deficient number, since it is larger than the sum of its proper divisors (1).

115242400345481 is an equidigital number, since it uses as much as digits as its factorization.

115242400345481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 614400, while the sum is 44.

Adding to 115242400345481 its reverse (184543004242511), we get a palindrome (299785404587992).

The spelling of 115242400345481 in words is "one hundred fifteen trillion, two hundred forty-two billion, four hundred million, three hundred forty-five thousand, four hundred eighty-one".