1305503300125 has 32 divisors (see below), whose sum is σ = 1636060757760. Its totient is φ = 1040051339200.

The previous prime is 1305503300083. The next prime is 1305503300137. The reversal of 1305503300125 is 5210033055031.

It is not a de Polignac number, because 1305503300125 - 2²⁵ = 1305469745693 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1305503300093 and 1305503300102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120284199 + ... + 120295051.

It is an arithmetic number, because the mean of its divisors is an integer number (51126898680).

Almost surely, 2^{1305503300125} is an apocalyptic number.

It is an amenable number.

1305503300125 is a deficient number, since it is larger than the sum of its proper divisors (330557457635).

1305503300125 is a wasteful number, since it uses less digits than its factorization.

1305503300125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14790 (or 14780 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 28.

Adding to 1305503300125 its reverse (5210033055031), we get a palindrome (6515536355156).

The spelling of 1305503300125 in words is "one trillion, three hundred five billion, five hundred three million, three hundred thousand, one hundred twenty-five".