120611161515111 has 8 divisors (see below), whose sum is σ = 160814933267184. Its totient is φ = 80407415386560.

The previous prime is 120611161515083. The next prime is 120611161515121. The reversal of 120611161515111 is 111515161116021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120611161515111 - 2²⁹ = 120610624644199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120611161515121) 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, 12823041 + ... + 20140821.

It is an arithmetic number, because the mean of its divisors is an integer number (20101866658398).

Almost surely, 2^{120611161515111} is an apocalyptic number.

120611161515111 is a deficient number, since it is larger than the sum of its proper divisors (40203771752073).

120611161515111 is an equidigital number, since it uses as much as digits as its factorization.

120611161515111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12811761.

The product of its (nonzero) digits is 1800, while the sum is 33.

The spelling of 120611161515111 in words is "one hundred twenty trillion, six hundred eleven billion, one hundred sixty-one million, five hundred fifteen thousand, one hundred eleven".