2125041504500 has 96 divisors (see below), whose sum is σ = 4662736958880. Its totient is φ = 846061440000.

The previous prime is 2125041504473. The next prime is 2125041504541. The reversal of 2125041504500 is 54051405212.

It can be written as a sum of positive squares in 16 ways, for example, as 858520846096 + 1266520658404 = 926564^2 + 1125398^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94263230 + ... + 94285770.

It is an arithmetic number, because the mean of its divisors is an integer number (48570176655).

Almost surely, 2^{2125041504500} is an apocalyptic number.

2125041504500 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 2125041504500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2331368479440).

2125041504500 is an abundant number, since it is smaller than the sum of its proper divisors (2537695454380).

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

2125041504500 is a wasteful number, since it uses less digits than its factorization.

2125041504500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23430 (or 23418 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 2125041504500 its reverse (54051405212), we get a palindrome (2179092909712).

The spelling of 2125041504500 in words is "two trillion, one hundred twenty-five billion, forty-one million, five hundred four thousand, five hundred".