2103505320544 has 48 divisors (see below), whose sum is σ = 4238936851968. Its totient is φ = 1027050973312.

The previous prime is 2103505320529. The next prime is 2103505320569. The reversal of 2103505320544 is 4450235053012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 912292 + ... + 2244835.

It is an arithmetic number, because the mean of its divisors is an integer number (88311184416).

Almost surely, 2^{2103505320544} is an apocalyptic number.

It is an amenable number.

2103505320544 is an abundant number, since it is smaller than the sum of its proper divisors (2135431531424).

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

2103505320544 is a wasteful number, since it uses less digits than its factorization.

2103505320544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3157627 (or 3157619 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 2103505320544 in words is "two trillion, one hundred three billion, five hundred five million, three hundred twenty thousand, five hundred forty-four".