1345103251256 has 8 divisors (see below), whose sum is σ = 2522068596120. Its totient is φ = 672551625624.

The previous prime is 1345103251223. The next prime is 1345103251279. The reversal of 1345103251256 is 6521523015431.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84068953196 + ... + 84068953211.

It is an arithmetic number, because the mean of its divisors is an integer number (315258574515).

Almost surely, 2^{1345103251256} is an apocalyptic number.

It is an amenable number.

1345103251256 is a deficient number, since it is larger than the sum of its proper divisors (1176965344864).

1345103251256 is a wasteful number, since it uses less digits than its factorization.

1345103251256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168137906413 (or 168137906409 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

Adding to 1345103251256 its reverse (6521523015431), we get a palindrome (7866626266687).

The spelling of 1345103251256 in words is "one trillion, three hundred forty-five billion, one hundred three million, two hundred fifty-one thousand, two hundred fifty-six".