111816652145 has 32 divisors (see below), whose sum is σ = 154180126080. Its totient is φ = 76992215040.

The previous prime is 111816652141. The next prime is 111816652237. The reversal of 111816652145 is 541256618111.

It is not a de Polignac number, because 111816652145 - 2² = 111816652141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111816652141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1652417 + ... + 1718753.

It is an arithmetic number, because the mean of its divisors is an integer number (4818128940).

Almost surely, 2^111816652145 is an apocalyptic number.

It is an amenable number.

111816652145 is a deficient number, since it is larger than the sum of its proper divisors (42363473935).

111816652145 is a wasteful number, since it uses less digits than its factorization.

111816652145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67985.

The product of its digits is 57600, while the sum is 41.

The spelling of 111816652145 in words is "one hundred eleven billion, eight hundred sixteen million, six hundred fifty-two thousand, one hundred forty-five".