1042052043551 has 2 divisors, whose sum is σ = 1042052043552. Its totient is φ = 1042052043550.

The previous prime is 1042052043509. The next prime is 1042052043559. The reversal of 1042052043551 is 1553402502401.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1042052043551 is a prime.

It is a super-2 number, since 2×1042052043551² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042052043559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521026021775 + 521026021776.

It is an arithmetic number, because the mean of its divisors is an integer number (521026021776).

Almost surely, 2^{1042052043551} is an apocalyptic number.

1042052043551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042052043551 is an equidigital number, since it uses as much as digits as its factorization.

1042052043551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 1042052043551 its reverse (1553402502401), we get a palindrome (2595454545952).

The spelling of 1042052043551 in words is "one trillion, forty-two billion, fifty-two million, forty-three thousand, five hundred fifty-one".