1305135015225 has 24 divisors (see below), whose sum is σ = 2157891365280. Its totient is φ = 696050027520.

The previous prime is 1305135015211. The next prime is 1305135015253. The reversal of 1305135015225 is 5225105315031.

It is a happy number.

It is not a de Polignac number, because 1305135015225 - 2⁴ = 1305135015209 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2272537 + ... + 2788313.

It is an arithmetic number, because the mean of its divisors is an integer number (89912140220).

Almost surely, 2^{1305135015225} is an apocalyptic number.

1305135015225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1305135015225 is a deficient number, since it is larger than the sum of its proper divisors (852756350055).

1305135015225 is a wasteful number, since it uses less digits than its factorization.

1305135015225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549529 (or 549524 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 33.

The spelling of 1305135015225 in words is "one trillion, three hundred five billion, one hundred thirty-five million, fifteen thousand, two hundred twenty-five".