1042405233511 has 2 divisors, whose sum is σ = 1042405233512. Its totient is φ = 1042405233510.

The previous prime is 1042405233481. The next prime is 1042405233523. The reversal of 1042405233511 is 1153325042401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1042405233511 - 2¹¹ = 1042405231463 is a prime.

It is a super-2 number, since 2×1042405233511² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042405233911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521202616755 + 521202616756.

It is an arithmetic number, because the mean of its divisors is an integer number (521202616756).

Almost surely, 2^{1042405233511} is an apocalyptic number.

1042405233511 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042405233511 is an equidigital number, since it uses as much as digits as its factorization.

1042405233511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 1042405233511 in words is "one trillion, forty-two billion, four hundred five million, two hundred thirty-three thousand, five hundred eleven".