1025340543500 has 192 divisors, whose sum is σ = 2761592520960. Its totient is φ = 323858534400.

The previous prime is 1025340543481. The next prime is 1025340543637. The reversal of 1025340543500 is 53450435201.

It is a happy number.

1025340543500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23137364 + ... + 23181636.

It is an arithmetic number, because the mean of its divisors is an integer number (14383294380).

Almost surely, 2^{1025340543500} is an apocalyptic number.

1025340543500 is a gapful number since it is divisible by the number (10) 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 1025340543500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1380796260480).

1025340543500 is an abundant number, since it is smaller than the sum of its proper divisors (1736251977460).

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

1025340543500 is a wasteful number, since it uses less digits than its factorization.

1025340543500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44821 (or 44809 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 1025340543500 its reverse (53450435201), we get a palindrome (1078790978701).

The spelling of 1025340543500 in words is "one trillion, twenty-five billion, three hundred forty million, five hundred forty-three thousand, five hundred".