110551555161 has 8 divisors (see below), whose sum is σ = 163780081760. Its totient is φ = 73701036756.

The previous prime is 110551555151. The next prime is 110551555189. The reversal of 110551555161 is 161555155011.

110551555161 is a `hidden beast` number, since 1 + 1 + 0 + 551 + 55 + 51 + 6 + 1 = 666.

It is not a de Polignac number, because 110551555161 - 2⁵ = 110551555129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (110551555141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2047250995 + ... + 2047251048.

It is an arithmetic number, because the mean of its divisors is an integer number (20472510220).

Almost surely, 2^110551555161 is an apocalyptic number.

It is an amenable number.

110551555161 is a deficient number, since it is larger than the sum of its proper divisors (53228526599).

110551555161 is an equidigital number, since it uses as much as digits as its factorization.

110551555161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4094502052 (or 4094502046 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 36.

The spelling of 110551555161 in words is "one hundred ten billion, five hundred fifty-one million, five hundred fifty-five thousand, one hundred sixty-one".