130445111 has 4 divisors (see below), whose sum is σ = 130580424. Its totient is φ = 130309800.

The previous prime is 130445099. The next prime is 130445113. The reversal of 130445111 is 111544031.

It is a happy number.

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 130445111 - 2¹⁰ = 130444087 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 (130445113) 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, 66200 + ... + 68141.

It is an arithmetic number, because the mean of its divisors is an integer number (32645106).

Almost surely, 2^130445111 is an apocalyptic number.

130445111 is a deficient number, since it is larger than the sum of its proper divisors (135313).

130445111 is an equidigital number, since it uses as much as digits as its factorization.

130445111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135312.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 130445111 is about 11421.2569798600. The cubic root of 130445111 is about 507.1572079067.

Adding to 130445111 its reverse (111544031), we get a palindrome (241989142).

The spelling of 130445111 in words is "one hundred thirty million, four hundred forty-five thousand, one hundred eleven".