5125213040420 has 96 divisors (see below), whose sum is σ = 12021322199040. Its totient is φ = 1819330853760.

The previous prime is 5125213040419. The next prime is 5125213040429. The reversal of 5125213040420 is 240403125215.

It is not an unprimeable number, because it can be changed into a prime (5125213040429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16486139 + ... + 16794141.

It is an arithmetic number, because the mean of its divisors is an integer number (125222106240).

Almost surely, 2^{5125213040420} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5125213040420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6010661099520).

5125213040420 is an abundant number, since it is smaller than the sum of its proper divisors (6896109158620).

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

5125213040420 is a wasteful number, since it uses less digits than its factorization.

5125213040420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309825 (or 309823 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 5125213040420 its reverse (240403125215), we get a palindrome (5365616165635).

The spelling of 5125213040420 in words is "five trillion, one hundred twenty-five billion, two hundred thirteen million, forty thousand, four hundred twenty".