1325556667628 has 12 divisors (see below), whose sum is σ = 2337431987352. Its totient is φ = 657718956960.

The previous prime is 1325556667613. The next prime is 1325556667703. The reversal of 1325556667628 is 8267666555231.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1264843625 + ... + 1264844672.

It is an arithmetic number, because the mean of its divisors is an integer number (194785998946).

Almost surely, 2^{1325556667628} is an apocalyptic number.

It is an amenable number.

1325556667628 is a deficient number, since it is larger than the sum of its proper divisors (1011875319724).

1325556667628 is a wasteful number, since it uses less digits than its factorization.

1325556667628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2529688432 (or 2529688430 counting only the distinct ones).

The product of its digits is 108864000, while the sum is 62.

The spelling of 1325556667628 in words is "one trillion, three hundred twenty-five billion, five hundred fifty-six million, six hundred sixty-seven thousand, six hundred twenty-eight".