1016442525061 has 2 divisors, whose sum is σ = 1016442525062. Its totient is φ = 1016442525060.

The previous prime is 1016442525031. The next prime is 1016442525121. The reversal of 1016442525061 is 1605252446101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 794248134436 + 222194390625 = 891206^2 + 471375^2 .

It is a cyclic number.

It is not a de Polignac number, because 1016442525061 - 2¹⁹ = 1016442000773 is a prime.

It is a super-2 number, since 2×1016442525061² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1016442525061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1016442525031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508221262530 + 508221262531.

It is an arithmetic number, because the mean of its divisors is an integer number (508221262531).

Almost surely, 2^{1016442525061} is an apocalyptic number.

It is an amenable number.

1016442525061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1016442525061 is an equidigital number, since it uses as much as digits as its factorization.

1016442525061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 1016442525061 in words is "one trillion, sixteen billion, four hundred forty-two million, five hundred twenty-five thousand, sixty-one".