1054055531569 has 2 divisors, whose sum is σ = 1054055531570. Its totient is φ = 1054055531568.

The previous prime is 1054055531527. The next prime is 1054055531597. The reversal of 1054055531569 is 9651355504501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1045352880625 + 8702650944 = 1022425^2 + 93288^2 .

It is a cyclic number.

It is not a de Polignac number, because 1054055531569 - 2¹¹ = 1054055529521 is a prime.

It is a super-2 number, since 2×1054055531569² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1054055561569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527027765784 + 527027765785.

It is an arithmetic number, because the mean of its divisors is an integer number (527027765785).

Almost surely, 2^{1054055531569} is an apocalyptic number.

It is an amenable number.

1054055531569 is a deficient number, since it is larger than the sum of its proper divisors (1).

1054055531569 is an equidigital number, since it uses as much as digits as its factorization.

1054055531569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2025000, while the sum is 49.

The spelling of 1054055531569 in words is "one trillion, fifty-four billion, fifty-five million, five hundred thirty-one thousand, five hundred sixty-nine".