1325515105456 has 40 divisors (see below), whose sum is σ = 2595032322480. Its totient is φ = 655864252416.

The previous prime is 1325515105433. The next prime is 1325515105487. The reversal of 1325515105456 is 6545015155231.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483001 + ... + 1698328.

It is an arithmetic number, because the mean of its divisors is an integer number (64875808062).

Almost surely, 2^{1325515105456} is an apocalyptic number.

1325515105456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1325515105456 is a deficient number, since it is larger than the sum of its proper divisors (1269517217024).

1325515105456 is a wasteful number, since it uses less digits than its factorization.

1325515105456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2181733 (or 2181727 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 43.

The spelling of 1325515105456 in words is "one trillion, three hundred twenty-five billion, five hundred fifteen million, one hundred five thousand, four hundred fifty-six".