108255305852781 has 16 divisors (see below), whose sum is σ = 146150603691456. Its totient is φ = 71265953039616.

The previous prime is 108255305852773. The next prime is 108255305852843. The reversal of 108255305852781 is 187258503552801.

It is not a de Polignac number, because 108255305852781 - 2³ = 108255305852773 is a prime.

It is a super-2 number, since 2×108255305852781² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108255305852761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105372940 + ... + 106395333.

It is an arithmetic number, because the mean of its divisors is an integer number (9134412730716).

Almost surely, 2^{108255305852781} is an apocalyptic number.

It is an amenable number.

108255305852781 is a deficient number, since it is larger than the sum of its proper divisors (37895297838675).

108255305852781 is a wasteful number, since it uses less digits than its factorization.

108255305852781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211770412.

The product of its (nonzero) digits is 26880000, while the sum is 60.

The spelling of 108255305852781 in words is "one hundred eight trillion, two hundred fifty-five billion, three hundred five million, eight hundred fifty-two thousand, seven hundred eighty-one".