1065505000501 has 2 divisors, whose sum is σ = 1065505000502. Its totient is φ = 1065505000500.

The previous prime is 1065505000499. The next prime is 1065505000523. The reversal of 1065505000501 is 1050005055601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 835633656900 + 229871343601 = 914130^2 + 479449^2 .

It is a cyclic number.

It is not a de Polignac number, because 1065505000501 - 2¹ = 1065505000499 is a prime.

It is a super-2 number, since 2×1065505000501² (a number of 25 digits) contains 22 as substring.

Together with 1065505000499, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1065505000501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1065505000591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532752500250 + 532752500251.

It is an arithmetic number, because the mean of its divisors is an integer number (532752500251).

Almost surely, 2^{1065505000501} is an apocalyptic number.

It is an amenable number.

1065505000501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1065505000501 is an equidigital number, since it uses as much as digits as its factorization.

1065505000501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 1065505000501 in words is "one trillion, sixty-five billion, five hundred five million, five hundred one", and thus it is an aban number.