2003155203344 has 40 divisors (see below), whose sum is σ = 3982390553400. Its totient is φ = 975522816000.

The previous prime is 2003155203337. The next prime is 2003155203373. The reversal of 2003155203344 is 4433025513002.

It can be written as a sum of positive squares in 4 ways, for example, as 76777759744 + 1926377443600 = 277088^2 + 1387940^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2003155203344.

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 7 ways as a sum of consecutive naturals, for example, 2146169 + ... + 2934680.

It is an arithmetic number, because the mean of its divisors is an integer number (99559763835).

Almost surely, 2^{2003155203344} is an apocalyptic number.

It is an amenable number.

2003155203344 is a deficient number, since it is larger than the sum of its proper divisors (1979235350056).

2003155203344 is a wasteful number, since it uses less digits than its factorization.

2003155203344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5081499 (or 5081493 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

The spelling of 2003155203344 in words is "two trillion, three billion, one hundred fifty-five million, two hundred three thousand, three hundred forty-four".