2103450055000 has 160 divisors (see below), whose sum is σ = 5650578236160. Its totient is φ = 718860240000.

The previous prime is 2103450054997. The next prime is 2103450055013. The reversal of 2103450055000 is 5500543012.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 39 ways as a sum of consecutive naturals, for example, 10788379 + ... + 10981621.

It is an arithmetic number, because the mean of its divisors is an integer number (35316113976).

Almost surely, 2^{2103450055000} is an apocalyptic number.

2103450055000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2103450055000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2825289118080).

2103450055000 is an abundant number, since it is smaller than the sum of its proper divisors (3547128181160).

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

2103450055000 is a wasteful number, since it uses less digits than its factorization.

2103450055000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193587 (or 193568 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

Adding to 2103450055000 its reverse (5500543012), we get a palindrome (2108950598012).

The spelling of 2103450055000 in words is "two trillion, one hundred three billion, four hundred fifty million, fifty-five thousand".