1042042112351 has 4 divisors (see below), whose sum is σ = 1042052534952. Its totient is φ = 1042031689752.

The previous prime is 1042042112347. The next prime is 1042042112393. The reversal of 1042042112351 is 1532112402401.

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 1042042112351 - 2² = 1042042112347 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 1042042112351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042042111351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5059865 + ... + 5261778.

It is an arithmetic number, because the mean of its divisors is an integer number (260513133738).

Almost surely, 2^{1042042112351} is an apocalyptic number.

1042042112351 is a deficient number, since it is larger than the sum of its proper divisors (10422601).

1042042112351 is a wasteful number, since it uses less digits than its factorization.

1042042112351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10422600.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 1042042112351 its reverse (1532112402401), we get a palindrome (2574154514752).

The spelling of 1042042112351 in words is "one trillion, forty-two billion, forty-two million, one hundred twelve thousand, three hundred fifty-one".