7533721023120 has 400 divisors, whose sum is σ = 26641587329280. Its totient is φ = 1972649023488.

The previous prime is 7533721023019. The next prime is 7533721023163. The reversal of 7533721023120 is 213201273357.

7533721023120 is a `hidden beast` number, since 7 + 5 + 337 + 2 + 1 + 0 + 2 + 312 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 135864361 + ... + 135919799.

Almost surely, 2^{7533721023120} 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 7533721023120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13320793664640).

7533721023120 is an abundant number, since it is smaller than the sum of its proper divisors (19107866306160).

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

7533721023120 is a wasteful number, since it uses less digits than its factorization.

7533721023120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55844 (or 55829 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

Adding to 7533721023120 its reverse (213201273357), we get a palindrome (7746922296477).

The spelling of 7533721023120 in words is "seven trillion, five hundred thirty-three billion, seven hundred twenty-one million, twenty-three thousand, one hundred twenty".