1042125342211 has 4 divisors (see below), whose sum is σ = 1043558802832. Its totient is φ = 1040691881592.

The previous prime is 1042125342157. The next prime is 1042125342229. The reversal of 1042125342211 is 1122435212401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1042125342211 - 2¹¹ = 1042125340163 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1042125342211.

It is not an unprimeable number, because it can be changed into a prime (1042125342911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 716729220 + ... + 716730673.

It is an arithmetic number, because the mean of its divisors is an integer number (260889700708).

Almost surely, 2^{1042125342211} is an apocalyptic number.

1042125342211 is a deficient number, since it is larger than the sum of its proper divisors (1433460621).

1042125342211 is an equidigital number, since it uses as much as digits as its factorization.

1042125342211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433460620.

The product of its (nonzero) digits is 3840, while the sum is 28.

The spelling of 1042125342211 in words is "one trillion, forty-two billion, one hundred twenty-five million, three hundred forty-two thousand, two hundred eleven".