142440011171 has 2 divisors, whose sum is σ = 142440011172. Its totient is φ = 142440011170.

The previous prime is 142440011141. The next prime is 142440011191. The reversal of 142440011171 is 171110044241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142440011171 - 2¹⁸ = 142439749027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142440011171.

It is not a weakly prime, because it can be changed into another prime (142440011101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71220005585 + 71220005586.

It is an arithmetic number, because the mean of its divisors is an integer number (71220005586).

Almost surely, 2^142440011171 is an apocalyptic number.

142440011171 is a deficient number, since it is larger than the sum of its proper divisors (1).

142440011171 is an equidigital number, since it uses as much as digits as its factorization.

142440011171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 26.

The spelling of 142440011171 in words is "one hundred forty-two billion, four hundred forty million, eleven thousand, one hundred seventy-one".