1066110655505 has 32 divisors (see below), whose sum is σ = 1466303275008. Its totient is φ = 728944012800.

The previous prime is 1066110655499. The next prime is 1066110655553. The reversal of 1066110655505 is 5055560116601.

It is not a de Polignac number, because 1066110655505 - 2¹⁶ = 1066110589969 is a prime.

It is a super-2 number, since 2×1066110655505² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65153525 + ... + 65169885.

It is an arithmetic number, because the mean of its divisors is an integer number (45821977344).

Almost surely, 2^{1066110655505} is an apocalyptic number.

It is an amenable number.

1066110655505 is a deficient number, since it is larger than the sum of its proper divisors (400192619503).

1066110655505 is a wasteful number, since it uses less digits than its factorization.

1066110655505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21617.

The product of its (nonzero) digits is 135000, while the sum is 41.

The spelling of 1066110655505 in words is "one trillion, sixty-six billion, one hundred ten million, six hundred fifty-five thousand, five hundred five".