108978508711 has 2 divisors, whose sum is σ = 108978508712. Its totient is φ = 108978508710.

The previous prime is 108978508657. The next prime is 108978508813. The reversal of 108978508711 is 117805879801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 108978508711 - 2²¹ = 108976411559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108978505711) 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, 54489254355 + 54489254356.

It is an arithmetic number, because the mean of its divisors is an integer number (54489254356).

Almost surely, 2^108978508711 is an apocalyptic number.

108978508711 is a deficient number, since it is larger than the sum of its proper divisors (1).

108978508711 is an equidigital number, since it uses as much as digits as its factorization.

108978508711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1128960, while the sum is 55.

The spelling of 108978508711 in words is "one hundred eight billion, nine hundred seventy-eight million, five hundred eight thousand, seven hundred eleven".