1378625856002 has 8 divisors (see below), whose sum is σ = 2068344198012. Its totient is φ = 689177790000.

The previous prime is 1378625855977. The next prime is 1378625856043. The reversal of 1378625856002 is 2006585268731.

It can be written as a sum of positive squares in 2 ways, for example, as 1377311140921 + 1314715081 = 1173589^2 + 36259^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67556249 + ... + 67576652.

Almost surely, 2^{1378625856002} is an apocalyptic number.

1378625856002 is a deficient number, since it is larger than the sum of its proper divisors (689718342010).

1378625856002 is a wasteful number, since it uses less digits than its factorization.

1378625856002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135138004.

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 1378625856002 in words is "one trillion, three hundred seventy-eight billion, six hundred twenty-five million, eight hundred fifty-six thousand, two".