1110665671 has 4 divisors (see below), whose sum is σ = 1121045832. Its totient is φ = 1100285512.

The previous prime is 1110665663. The next prime is 1110665681. The reversal of 1110665671 is 1765660111.

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 1110665671 - 2³ = 1110665663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110665651) 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, 5189920 + ... + 5190133.

It is an arithmetic number, because the mean of its divisors is an integer number (280261458).

Almost surely, 2^1110665671 is an apocalyptic number.

1110665671 is a deficient number, since it is larger than the sum of its proper divisors (10380161).

1110665671 is a wasteful number, since it uses less digits than its factorization.

1110665671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10380160.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 1110665671 is about 33326.6510618754. The cubic root of 1110665671 is about 1035.6057415521.

The spelling of 1110665671 in words is "one billion, one hundred ten million, six hundred sixty-five thousand, six hundred seventy-one".