111142023240433 has 12 divisors (see below), whose sum is σ = 114849666299124. Its totient is φ = 107550461791200.

The previous prime is 111142023240343. The next prime is 111142023240449. The reversal of 111142023240433 is 334042320241111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 100952316535009 + 10189706705424 = 10047503^2 + 3192132^2 .

It is not a de Polignac number, because 111142023240433 - 2¹³ = 111142023232241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111142023240395 and 111142023240404.

It is not an unprimeable number, because it can be changed into a prime (111142023240233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12959835 + ... + 19754527.

It is an arithmetic number, because the mean of its divisors is an integer number (9570805524927).

Almost surely, 2^{111142023240433} is an apocalyptic number.

It is an amenable number.

111142023240433 is a deficient number, since it is larger than the sum of its proper divisors (3707643058691).

111142023240433 is an equidigital number, since it uses as much as digits as its factorization.

111142023240433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6811776 (or 6811745 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 111142023240433 its reverse (334042320241111), we get a palindrome (445184343481544).

The spelling of 111142023240433 in words is "one hundred eleven trillion, one hundred forty-two billion, twenty-three million, two hundred forty thousand, four hundred thirty-three".