1130645111 has 4 divisors (see below), whose sum is σ = 1141622352. Its totient is φ = 1119667872.

The previous prime is 1130645093. The next prime is 1130645147. The reversal of 1130645111 is 1115460311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1115460311 = 7 ⋅159351473.

It is a cyclic number.

It is not a de Polignac number, because 1130645111 - 2²² = 1126450807 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 (1130645161) 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, 5488466 + ... + 5488671.

It is an arithmetic number, because the mean of its divisors is an integer number (285405588).

Almost surely, 2^1130645111 is an apocalyptic number.

1130645111 is a deficient number, since it is larger than the sum of its proper divisors (10977241).

1130645111 is a wasteful number, since it uses less digits than its factorization.

1130645111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10977240.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 1130645111 is about 33625.0667062535. The cubic root of 1130645111 is about 1041.7786105130.

The spelling of 1130645111 in words is "one billion, one hundred thirty million, six hundred forty-five thousand, one hundred eleven".