110678336521 has 2 divisors, whose sum is σ = 110678336522. Its totient is φ = 110678336520.

The previous prime is 110678336519. The next prime is 110678336591. The reversal of 110678336521 is 125633876011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90333308025 + 20345028496 = 300555^2 + 142636^2 .

It is a cyclic number.

It is not a de Polignac number, because 110678336521 - 2¹ = 110678336519 is a prime.

Together with 110678336519, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (110678336591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55339168260 + 55339168261.

It is an arithmetic number, because the mean of its divisors is an integer number (55339168261).

Almost surely, 2^110678336521 is an apocalyptic number.

It is an amenable number.

110678336521 is a deficient number, since it is larger than the sum of its proper divisors (1).

110678336521 is an equidigital number, since it uses as much as digits as its factorization.

110678336521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 110678336521 in words is "one hundred ten billion, six hundred seventy-eight million, three hundred thirty-six thousand, five hundred twenty-one".