111645152145 has 64 divisors (see below), whose sum is σ = 201985056000. Its totient is φ = 58500610560.

The previous prime is 111645152137. The next prime is 111645152149. The reversal of 111645152145 is 541251546111.

111645152145 is a `hidden beast` number, since 1 + 1 + 1 + 645 + 1 + 5 + 2 + 1 + 4 + 5 = 666.

It is not a de Polignac number, because 111645152145 - 2³ = 111645152137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111645152149) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2000581 + ... + 2055629.

It is an arithmetic number, because the mean of its divisors is an integer number (3156016500).

Almost surely, 2^111645152145 is an apocalyptic number.

111645152145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111645152145 is a deficient number, since it is larger than the sum of its proper divisors (90339903855).

111645152145 is a wasteful number, since it uses less digits than its factorization.

111645152145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55327 (or 55321 counting only the distinct ones).

The product of its digits is 24000, while the sum is 36.

Adding to 111645152145 its reverse (541251546111), we get a palindrome (652896698256).

The spelling of 111645152145 in words is "one hundred eleven billion, six hundred forty-five million, one hundred fifty-two thousand, one hundred forty-five".