111442031132145 has 64 divisors (see below), whose sum is σ = 203930176020480. Its totient is φ = 50907321116928.

The previous prime is 111442031132057. The next prime is 111442031132147. The reversal of 111442031132145 is 541231130244111.

It is not a de Polignac number, because 111442031132145 - 2¹³ = 111442031123953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111442031132147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1509629046 + ... + 1509702864.

It is an arithmetic number, because the mean of its divisors is an integer number (3186409000320).

Almost surely, 2^{111442031132145} is an apocalyptic number.

111442031132145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111442031132145 is a deficient number, since it is larger than the sum of its proper divisors (92488144888335).

111442031132145 is a wasteful number, since it uses less digits than its factorization.

111442031132145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84254.

The product of its (nonzero) digits is 11520, while the sum is 33.

Adding to 111442031132145 its reverse (541231130244111), we get a palindrome (652673161376256).

The spelling of 111442031132145 in words is "one hundred eleven trillion, four hundred forty-two billion, thirty-one million, one hundred thirty-two thousand, one hundred forty-five".