161055051105 has 64 divisors (see below), whose sum is σ = 283555012608. Its totient is φ = 77563242240.

The previous prime is 161055051083. The next prime is 161055051151. The reversal of 161055051105 is 501150550161.

161055051105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 161055051105 - 2⁹ = 161055050593 is a prime.

It is an unprimeable number.

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 in 63 ways as a sum of consecutive naturals, for example, 29242762 + ... + 29248268.

It is an arithmetic number, because the mean of its divisors is an integer number (4430547072).

Almost surely, 2^161055051105 is an apocalyptic number.

161055051105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

161055051105 is a deficient number, since it is larger than the sum of its proper divisors (122499961503).

161055051105 is a wasteful number, since it uses less digits than its factorization.

161055051105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8766.

The product of its (nonzero) digits is 3750, while the sum is 30.

The spelling of 161055051105 in words is "one hundred sixty-one billion, fifty-five million, fifty-one thousand, one hundred five".