120116515111 has 4 divisors (see below), whose sum is σ = 120117223512. Its totient is φ = 120115806712.

The previous prime is 120116515109. The next prime is 120116515159. The reversal of 120116515111 is 111515611021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 120116515111 - 2¹ = 120116515109 is a prime.

It is a super-2 number, since 2×120116515111² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120116515411) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 67476 + ... + 494758.

It is an arithmetic number, because the mean of its divisors is an integer number (30029305878).

Almost surely, 2^120116515111 is an apocalyptic number.

120116515111 is a deficient number, since it is larger than the sum of its proper divisors (708401).

120116515111 is an equidigital number, since it uses as much as digits as its factorization.

120116515111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708400.

The product of its (nonzero) digits is 300, while the sum is 25.

The spelling of 120116515111 in words is "one hundred twenty billion, one hundred sixteen million, five hundred fifteen thousand, one hundred eleven".