1042155325061 has 2 divisors, whose sum is σ = 1042155325062. Its totient is φ = 1042155325060.

The previous prime is 1042155325037. The next prime is 1042155325117. The reversal of 1042155325061 is 1605235512401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 971468468161 + 70686856900 = 985631^2 + 265870^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042155325061 - 2¹⁰ = 1042155324037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042155328061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521077662530 + 521077662531.

It is an arithmetic number, because the mean of its divisors is an integer number (521077662531).

Almost surely, 2^{1042155325061} is an apocalyptic number.

It is an amenable number.

1042155325061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042155325061 is an equidigital number, since it uses as much as digits as its factorization.

1042155325061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 1042155325061 in words is "one trillion, forty-two billion, one hundred fifty-five million, three hundred twenty-five thousand, sixty-one".