1003558820604 has 48 divisors (see below), whose sum is σ = 2396786112000. Its totient is φ = 326672905216.

The previous prime is 1003558820603. The next prime is 1003558820609. The reversal of 1003558820604 is 4060288553001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003558820603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1728234 + ... + 2234705.

It is an arithmetic number, because the mean of its divisors is an integer number (49933044000).

Almost surely, 2^{1003558820604} is an apocalyptic number.

It is an amenable number.

1003558820604 is an abundant number, since it is smaller than the sum of its proper divisors (1393227291396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1003558820604 is a wasteful number, since it uses less digits than its factorization.

1003558820604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3963442 (or 3963440 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 1003558820604 in words is "one trillion, three billion, five hundred fifty-eight million, eight hundred twenty thousand, six hundred four".