130615511245421 has 2 divisors, whose sum is σ = 130615511245422. Its totient is φ = 130615511245420.

The previous prime is 130615511245369. The next prime is 130615511245463. The reversal of 130615511245421 is 124542115516031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101364342096196 + 29251169149225 = 10067986^2 + 5408435^2 .

It is a cyclic number.

It is not a de Polignac number, because 130615511245421 - 2¹⁰ = 130615511244397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130615511245481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65307755622710 + 65307755622711.

It is an arithmetic number, because the mean of its divisors is an integer number (65307755622711).

Almost surely, 2^{130615511245421} is an apocalyptic number.

It is an amenable number.

130615511245421 is a deficient number, since it is larger than the sum of its proper divisors (1).

130615511245421 is an equidigital number, since it uses as much as digits as its factorization.

130615511245421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144000, while the sum is 41.

The spelling of 130615511245421 in words is "one hundred thirty trillion, six hundred fifteen billion, five hundred eleven million, two hundred forty-five thousand, four hundred twenty-one".