115548868845511 has 2 divisors, whose sum is σ = 115548868845512. Its totient is φ = 115548868845510.

The previous prime is 115548868845479. The next prime is 115548868845521.

115548868845511 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 115548868845511 - 2⁵ = 115548868845479 is a prime.

It is a super-2 number, since 2×115548868845511² (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 (115548868845521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57774434422755 + 57774434422756.

It is an arithmetic number, because the mean of its divisors is an integer number (57774434422756).

Almost surely, 2^{115548868845511} is an apocalyptic number.

115548868845511 is a deficient number, since it is larger than the sum of its proper divisors (1).

115548868845511 is an equidigital number, since it uses as much as digits as its factorization.

115548868845511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 245760000, while the sum is 70.

The spelling of 115548868845511 in words is "one hundred fifteen trillion, five hundred forty-eight billion, eight hundred sixty-eight million, eight hundred forty-five thousand, five hundred eleven".