115280549077 has 2 divisors, whose sum is σ = 115280549078. Its totient is φ = 115280549076.

The previous prime is 115280549057. The next prime is 115280549119. The reversal of 115280549077 is 770945082511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79256888676 + 36023660401 = 281526^2 + 189799^2 .

It is an emirp because it is prime and its reverse (770945082511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115280549077 - 2¹⁹ = 115280024789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115280549077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115280549057) 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, 57640274538 + 57640274539.

It is an arithmetic number, because the mean of its divisors is an integer number (57640274539).

Almost surely, 2^115280549077 is an apocalyptic number.

It is an amenable number.

115280549077 is a deficient number, since it is larger than the sum of its proper divisors (1).

115280549077 is an equidigital number, since it uses as much as digits as its factorization.

115280549077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 705600, while the sum is 49.

The spelling of 115280549077 in words is "one hundred fifteen billion, two hundred eighty million, five hundred forty-nine thousand, seventy-seven".