75001225420000 has 480 divisors, whose sum is σ = 202923878572800. Its totient is φ = 27052439040000.

The previous prime is 75001225419971. The next prime is 75001225420003. The reversal of 75001225420000 is 2452210057.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75001225420003) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 15191657532 + ... + 15191662468.

It is an arithmetic number, because the mean of its divisors is an integer number (422758080360).

Almost surely, 2^{75001225420000} 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 75001225420000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101461939286400).

75001225420000 is an abundant number, since it is smaller than the sum of its proper divisors (127922653152800).

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

75001225420000 is a wasteful number, since it uses less digits than its factorization.

75001225420000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5524 (or 5501 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

Adding to 75001225420000 its reverse (2452210057), we get a palindrome (75003677630057).

The spelling of 75001225420000 in words is "seventy-five trillion, one billion, two hundred twenty-five million, four hundred twenty thousand".