7533221301261 has 16 divisors (see below), whose sum is σ = 11180150838720. Its totient is φ = 5013227190960.

The previous prime is 7533221301257. The next prime is 7533221301283. The reversal of 7533221301261 is 1621031223357.

7533221301261 is a `hidden beast` number, since 7 + 5 + 3 + 322 + 1 + 301 + 26 + 1 = 666.

It is not a de Polignac number, because 7533221301261 - 2² = 7533221301257 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7533221302261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247771830 + ... + 247802231.

It is an arithmetic number, because the mean of its divisors is an integer number (698759427420).

Almost surely, 2^{7533221301261} is an apocalyptic number.

It is an amenable number.

7533221301261 is a deficient number, since it is larger than the sum of its proper divisors (3646929537459).

7533221301261 is a wasteful number, since it uses less digits than its factorization.

7533221301261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495574633 (or 495574627 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 7533221301261 in words is "seven trillion, five hundred thirty-three billion, two hundred twenty-one million, three hundred one thousand, two hundred sixty-one".