1345242025305 has 64 divisors (see below), whose sum is σ = 2534350291200. Its totient is φ = 675826583040.

The previous prime is 1345242025291. The next prime is 1345242025343. The reversal of 1345242025305 is 5035202425431.

1345242025305 is a `hidden beast` number, since 1 + 34 + 52 + 42 + 0 + 2 + 530 + 5 = 666.

It is not a de Polignac number, because 1345242025305 - 2⁶ = 1345242025241 is a prime.

It is a super-2 number, since 2×1345242025305² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1345242025305.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4029879 + ... + 4350908.

It is an arithmetic number, because the mean of its divisors is an integer number (39599223300).

Almost surely, 2^{1345242025305} is an apocalyptic number.

1345242025305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1345242025305 is a deficient number, since it is larger than the sum of its proper divisors (1189108265895).

1345242025305 is a wasteful number, since it uses less digits than its factorization.

1345242025305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8380871 (or 8380865 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 1345242025305 in words is "one trillion, three hundred forty-five billion, two hundred forty-two million, twenty-five thousand, three hundred five".