7522189097456 has 80 divisors (see below), whose sum is σ = 15990069689088. Its totient is φ = 3399660633600.

The previous prime is 7522189097431. The next prime is 7522189097471. The reversal of 7522189097456 is 6547909812257.

It is a junction number, because it is equal to n+sod(n) for n = 7522189097392 and 7522189097401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38263445 + ... + 38459531.

Almost surely, 2^{7522189097456} 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 7522189097456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7995034844544).

7522189097456 is an abundant number, since it is smaller than the sum of its proper divisors (8467880591632).

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

7522189097456 is a wasteful number, since it uses less digits than its factorization.

7522189097456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197350 (or 197344 counting only the distinct ones).

The product of its (nonzero) digits is 76204800, while the sum is 65.

The spelling of 7522189097456 in words is "seven trillion, five hundred twenty-two billion, one hundred eighty-nine million, ninety-seven thousand, four hundred fifty-six".