1106661611 has 4 divisors (see below), whose sum is σ = 1207267224. Its totient is φ = 1006056000.

The previous prime is 1106661607. The next prime is 1106661613. The reversal of 1106661611 is 1161666011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1106661611 - 2² = 1106661607 is a prime.

It is a super-2 number, since 2×1106661611² = 2449399842522230642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1106661613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50302790 + ... + 50302811.

It is an arithmetic number, because the mean of its divisors is an integer number (301816806).

Almost surely, 2^1106661611 is an apocalyptic number.

1106661611 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1106661611 is a deficient number, since it is larger than the sum of its proper divisors (100605613).

1106661611 is a wasteful number, since it uses less digits than its factorization.

1106661611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100605612.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 1106661611 is about 33266.5238791191. The cubic root of 1106661611 is about 1034.3597558820.

The spelling of 1106661611 in words is "one billion, one hundred six million, six hundred sixty-one thousand, six hundred eleven".