142011320441 has 4 divisors (see below), whose sum is σ = 142012408932. Its totient is φ = 142010231952.

The previous prime is 142011320387. The next prime is 142011320483. The reversal of 142011320441 is 144023110241.

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 can be written as a sum of positive squares in 2 ways, for example, as 27632080441 + 114379240000 = 166229^2 + 338200^2 .

It is a cyclic number.

It is not a de Polignac number, because 142011320441 - 2³⁴ = 124831451257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142011320041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316886 + ... + 620031.

It is an arithmetic number, because the mean of its divisors is an integer number (35503102233).

Almost surely, 2^142011320441 is an apocalyptic number.

It is an amenable number.

142011320441 is a deficient number, since it is larger than the sum of its proper divisors (1088491).

142011320441 is an equidigital number, since it uses as much as digits as its factorization.

142011320441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088490.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 142011320441 its reverse (144023110241), we get a palindrome (286034430682).

The spelling of 142011320441 in words is "one hundred forty-two billion, eleven million, three hundred twenty thousand, four hundred forty-one".