130521011 has 2 divisors, whose sum is σ = 130521012. Its totient is φ = 130521010.

The previous prime is 130520963. The next prime is 130521047. The reversal of 130521011 is 110125031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130521011 - 2²⁶ = 63412147 is a prime.

It is not a weakly prime, because it can be changed into another prime (130521071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65260505 + 65260506.

It is an arithmetic number, because the mean of its divisors is an integer number (65260506).

Almost surely, 2^130521011 is an apocalyptic number.

130521011 is a deficient number, since it is larger than the sum of its proper divisors (1).

130521011 is an equidigital number, since it uses as much as digits as its factorization.

130521011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 130521011 is about 11424.5792482699. The cubic root of 130521011 is about 507.2555526393.

Adding to 130521011 its reverse (110125031), we get a palindrome (240646042).

The spelling of 130521011 in words is "one hundred thirty million, five hundred twenty-one thousand, eleven".