130511 has 4 divisors (see below), whose sum is σ = 137400. Its totient is φ = 123624.

The previous prime is 130489. The next prime is 130513. The reversal of 130511 is 115031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 115031 = 7 ⋅16433.

It is a cyclic number.

It is not a de Polignac number, because 130511 - 2⁶ = 130447 is a prime.

It is a super-2 number, since 2×130511² = 34066242242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130492 and 130501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130513) 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, 3416 + ... + 3453.

It is an arithmetic number, because the mean of its divisors is an integer number (34350).

2¹³⁰⁵¹¹ is an apocalyptic number.

130511 is a deficient number, since it is larger than the sum of its proper divisors (6889).

130511 is an equidigital number, since it uses as much as digits as its factorization.

130511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6888.

The product of its (nonzero) digits is 15, while the sum is 11.

The square root of 130511 is about 361.2630620476. The cubic root of 130511 is about 50.7242583424.

Adding to 130511 its reverse (115031), we get a palindrome (245542).

It can be divided in two parts, 130 and 511, that multiplied together give a triangular number (66430 = T₃₆₄).

The spelling of 130511 in words is "one hundred thirty thousand, five hundred eleven".