1065550106506 has 8 divisors (see below), whose sum is σ = 1599756071940. Its totient is φ = 532298082528.

The previous prime is 1065550106461. The next prime is 1065550106521. The reversal of 1065550106506 is 6056010555601.

It can be written as a sum of positive squares in 2 ways, for example, as 986861441281 + 78688665225 = 993409^2 + 280515^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1065550106506² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238482571 + ... + 238487038.

Almost surely, 2^{1065550106506} is an apocalyptic number.

1065550106506 is a deficient number, since it is larger than the sum of its proper divisors (534205965434).

1065550106506 is a wasteful number, since it uses less digits than its factorization.

1065550106506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476970728.

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 1065550106506 in words is "one trillion, sixty-five billion, five hundred fifty million, one hundred six thousand, five hundred six".