1105013661 has 8 divisors (see below), whose sum is σ = 1476577344. Its totient is φ = 735062880.

The previous prime is 1105013659. The next prime is 1105013669. The reversal of 1105013661 is 1663105011.

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

It is not a de Polignac number, because 1105013661 - 2¹ = 1105013659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105013669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401625 + ... + 404366.

It is an arithmetic number, because the mean of its divisors is an integer number (184572168).

Almost surely, 2^1105013661 is an apocalyptic number.

It is an amenable number.

1105013661 is a deficient number, since it is larger than the sum of its proper divisors (371563683).

1105013661 is an equidigital number, since it uses as much as digits as its factorization.

1105013661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806451.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 1105013661 is about 33241.7457574057. The cubic root of 1105013661 is about 1033.8460728232.

Adding to 1105013661 its reverse (1663105011), we get a palindrome (2768118672).

The spelling of 1105013661 in words is "one billion, one hundred five million, thirteen thousand, six hundred sixty-one".