130078825505 has 4 divisors (see below), whose sum is σ = 156094590612. Its totient is φ = 104063060400.

The previous prime is 130078825501. The next prime is 130078825559. The reversal of 130078825505 is 505528870031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 505528870031 = 17137 ⋅29499263.

It can be written as a sum of positive squares in 2 ways, for example, as 30621850081 + 99456975424 = 174991^2 + 315368^2 .

It is not a de Polignac number, because 130078825505 - 2² = 130078825501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130078825501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13007882546 + ... + 13007882555.

It is an arithmetic number, because the mean of its divisors is an integer number (39023647653).

Almost surely, 2^130078825505 is an apocalyptic number.

It is an amenable number.

130078825505 is a deficient number, since it is larger than the sum of its proper divisors (26015765107).

130078825505 is an equidigital number, since it uses as much as digits as its factorization.

130078825505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26015765106.

The product of its (nonzero) digits is 336000, while the sum is 44.

The spelling of 130078825505 in words is "one hundred thirty billion, seventy-eight million, eight hundred twenty-five thousand, five hundred five".