130553051521 has 2 divisors, whose sum is σ = 130553051522. Its totient is φ = 130553051520.

The previous prime is 130553051423. The next prime is 130553051549. The reversal of 130553051521 is 125150355031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125277063025 + 5275988496 = 353945^2 + 72636^2 .

It is a cyclic number.

It is not a de Polignac number, because 130553051521 - 2⁷ = 130553051393 is a prime.

It is a super-2 number, since 2×130553051521² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (130553051021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65276525760 + 65276525761.

It is an arithmetic number, because the mean of its divisors is an integer number (65276525761).

Almost surely, 2^130553051521 is an apocalyptic number.

It is an amenable number.

130553051521 is a deficient number, since it is larger than the sum of its proper divisors (1).

130553051521 is an equidigital number, since it uses as much as digits as its factorization.

130553051521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11250, while the sum is 31.

The spelling of 130553051521 in words is "one hundred thirty billion, five hundred fifty-three million, fifty-one thousand, five hundred twenty-one".