25213420130500 has 192 divisors, whose sum is σ = 64242454348800. Its totient is φ = 8641179792000.

The previous prime is 25213420130473. The next prime is 25213420130501. The reversal of 25213420130500 is 503102431252.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (25213420130501) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 453932730 + ... + 453988270.

It is an arithmetic number, because the mean of its divisors is an integer number (334596116400).

Almost surely, 2^{25213420130500} is an apocalyptic number.

25213420130500 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 25213420130500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32121227174400).

25213420130500 is an abundant number, since it is smaller than the sum of its proper divisors (39029034218300).

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

25213420130500 is a wasteful number, since it uses less digits than its factorization.

25213420130500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58228 (or 58202 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 25213420130500 its reverse (503102431252), we get a palindrome (25716522561752).

The spelling of 25213420130500 in words is "twenty-five trillion, two hundred thirteen billion, four hundred twenty million, one hundred thirty thousand, five hundred".