115454144203877 has 2 divisors, whose sum is σ = 115454144203878. Its totient is φ = 115454144203876.

The previous prime is 115454144203843. The next prime is 115454144203963. The reversal of 115454144203877 is 778302441454511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62043757689796 + 53410386514081 = 7876786^2 + 7308241^2 .

It is a cyclic number.

It is not a de Polignac number, because 115454144203877 - 2⁶ = 115454144203813 is a prime.

It is a super-2 number, since 2×115454144203877² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115454144203817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57727072101938 + 57727072101939.

It is an arithmetic number, because the mean of its divisors is an integer number (57727072101939).

Almost surely, 2^{115454144203877} is an apocalyptic number.

It is an amenable number.

115454144203877 is a deficient number, since it is larger than the sum of its proper divisors (1).

115454144203877 is an equidigital number, since it uses as much as digits as its factorization.

115454144203877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15052800, while the sum is 56.

The spelling of 115454144203877 in words is "one hundred fifteen trillion, four hundred fifty-four billion, one hundred forty-four million, two hundred three thousand, eight hundred seventy-seven".