1305424105245 has 128 divisors (see below), whose sum is σ = 2634287040000. Its totient is φ = 608041893888.

The previous prime is 1305424105211. The next prime is 1305424105259. The reversal of 1305424105245 is 5425014245031.

1305424105245 is a `hidden beast` number, since 1 + 3 + 0 + 542 + 4 + 105 + 2 + 4 + 5 = 666.

It is not a de Polignac number, because 1305424105245 - 2¹⁹ = 1305423580957 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 25616851 + ... + 25667759.

It is an arithmetic number, because the mean of its divisors is an integer number (20580367500).

Almost surely, 2^{1305424105245} is an apocalyptic number.

1305424105245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1305424105245 is an abundant number, since it is smaller than the sum of its proper divisors (1328862934755).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1305424105245 is a wasteful number, since it uses less digits than its factorization.

1305424105245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51724 (or 51718 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 1305424105245 in words is "one trillion, three hundred five billion, four hundred twenty-four million, one hundred five thousand, two hundred forty-five".