110542121649 has 12 divisors (see below), whose sum is σ = 159711363396. Its totient is φ = 73676558592.

The previous prime is 110542121629. The next prime is 110542121663. The reversal of 110542121649 is 946121245011.

110542121649 is a `hidden beast` number, since 1 + 1 + 0 + 5 + 4 + 2 + 1 + 2 + 1 + 649 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 84340872225 + 26201249424 = 290415^2 + 161868^2 .

It is not a de Polignac number, because 110542121649 - 2¹³ = 110542113457 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (110542121629) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1477224 + ... + 1550249.

It is an arithmetic number, because the mean of its divisors is an integer number (13309280283).

Almost surely, 2^110542121649 is an apocalyptic number.

It is an amenable number.

110542121649 is a deficient number, since it is larger than the sum of its proper divisors (49169241747).

110542121649 is a wasteful number, since it uses less digits than its factorization.

110542121649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3031536 (or 3031533 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 110542121649 in words is "one hundred ten billion, five hundred forty-two million, one hundred twenty-one thousand, six hundred forty-nine".