181711045045105 has 16 divisors (see below), whose sum is σ = 218208794880384. Its totient is φ = 145265144717440.

The previous prime is 181711045045099. The next prime is 181711045045133. The reversal of 181711045045105 is 501540540117181.

181711045045105 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 181711045045105 - 2¹⁷ = 181711044914033 is a prime.

It is a super-2 number, since 2×181711045045105² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1111429965 + ... + 1111593445.

It is an arithmetic number, because the mean of its divisors is an integer number (13638049680024).

Almost surely, 2^{181711045045105} is an apocalyptic number.

It is an amenable number.

181711045045105 is a deficient number, since it is larger than the sum of its proper divisors (36497749835279).

181711045045105 is a wasteful number, since it uses less digits than its factorization.

181711045045105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320696.

The product of its (nonzero) digits is 112000, while the sum is 43.

The spelling of 181711045045105 in words is "one hundred eighty-one trillion, seven hundred eleven billion, forty-five million, forty-five thousand, one hundred five".