1100060561 has 4 divisors (see below), whose sum is σ = 1104993792. Its totient is φ = 1095127332.

The previous prime is 1100060557. The next prime is 1100060569. The reversal of 1100060561 is 1650600011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1100060561 - 2² = 1100060557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100060569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2466281 + ... + 2466726.

It is an arithmetic number, because the mean of its divisors is an integer number (276248448).

Almost surely, 2^1100060561 is an apocalyptic number.

It is an amenable number.

1100060561 is a deficient number, since it is larger than the sum of its proper divisors (4933231).

1100060561 is an equidigital number, since it uses as much as digits as its factorization.

1100060561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4933230.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 1100060561 is about 33167.1608824150. The cubic root of 1100060561 is about 1032.2990593257.

Adding to 1100060561 its reverse (1650600011), we get a palindrome (2750660572).

The spelling of 1100060561 in words is "one billion, one hundred million, sixty thousand, five hundred sixty-one".