1005611100011 has 16 divisors (see below), whose sum is σ = 1155751396800. Its totient is φ = 857092285440.

The previous prime is 1005611099957. The next prime is 1005611100029. The reversal of 1005611100011 is 1100011165001.

It is a cyclic number.

It is not a de Polignac number, because 1005611100011 - 2¹⁸ = 1005610837867 is a prime.

It is a super-2 number, since 2×1005611100011² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1005611100061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12397715 + ... + 12478563.

It is an arithmetic number, because the mean of its divisors is an integer number (72234462300).

Almost surely, 2^{1005611100011} is an apocalyptic number.

1005611100011 is a deficient number, since it is larger than the sum of its proper divisors (150140296789).

1005611100011 is an equidigital number, since it uses as much as digits as its factorization.

1005611100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90854.

The product of its (nonzero) digits is 30, while the sum is 17.

Adding to 1005611100011 its reverse (1100011165001), we get a palindrome (2105622265012).

The spelling of 1005611100011 in words is "one trillion, five billion, six hundred eleven million, one hundred thousand, eleven".