1080321611 has 4 divisors (see below), whose sum is σ = 1081657800. Its totient is φ = 1078985424.

The previous prime is 1080321581. The next prime is 1080321617. The reversal of 1080321611 is 1161230801.

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 1080321611 - 2¹⁸ = 1080059467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1080321617) 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, 666881 + ... + 668498.

It is an arithmetic number, because the mean of its divisors is an integer number (270414450).

Almost surely, 2^1080321611 is an apocalyptic number.

1080321611 is a deficient number, since it is larger than the sum of its proper divisors (1336189).

1080321611 is an equidigital number, since it uses as much as digits as its factorization.

1080321611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336188.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1080321611 is about 32868.2462416235. The cubic root of 1080321611 is about 1026.0873999494.

The spelling of 1080321611 in words is "one billion, eighty million, three hundred twenty-one thousand, six hundred eleven".