117541778541263 has 2 divisors, whose sum is σ = 117541778541264. Its totient is φ = 117541778541262.

The previous prime is 117541778541221. The next prime is 117541778541269. The reversal of 117541778541263 is 362145877145711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117541778541263 - 2⁶ = 117541778541199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117541778541196 and 117541778541205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117541778541269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58770889270631 + 58770889270632.

It is an arithmetic number, because the mean of its divisors is an integer number (58770889270632).

Almost surely, 2^{117541778541263} is an apocalyptic number.

117541778541263 is a deficient number, since it is larger than the sum of its proper divisors (1).

117541778541263 is an equidigital number, since it uses as much as digits as its factorization.

117541778541263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39513600, while the sum is 62.

The spelling of 117541778541263 in words is "one hundred seventeen trillion, five hundred forty-one billion, seven hundred seventy-eight million, five hundred forty-one thousand, two hundred sixty-three".