1065551110011 has 48 divisors (see below), whose sum is σ = 1658433853440. Its totient is φ = 657137629440.

The previous prime is 1065551109989. The next prime is 1065551110021. The reversal of 1065551110011 is 1100111555601.

1065551110011 is a `hidden beast` number, since 1 + 0 + 6 + 5 + 551 + 1 + 100 + 1 + 1 = 666.

It is not a de Polignac number, because 1065551110011 - 2⁹ = 1065551109499 is a prime.

It is a super-2 number, since 2×1065551110011² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1065551110021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3326926 + ... + 3633116.

It is an arithmetic number, because the mean of its divisors is an integer number (34550705280).

Almost surely, 2^{1065551110011} is an apocalyptic number.

1065551110011 is a deficient number, since it is larger than the sum of its proper divisors (592882743429).

1065551110011 is a wasteful number, since it uses less digits than its factorization.

1065551110011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306696 (or 306693 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 27.

Adding to 1065551110011 its reverse (1100111555601), we get a palindrome (2165662665612).

The spelling of 1065551110011 in words is "one trillion, sixty-five billion, five hundred fifty-one million, one hundred ten thousand, eleven".