9125532053221 has 8 divisors (see below), whose sum is σ = 9148163319360. Its totient is φ = 9102928609152.

The previous prime is 9125532053203. The next prime is 9125532053257. The reversal of 9125532053221 is 1223502355219.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9125532053221 - 2²⁷ = 9125397835493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9125532053921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6298636 + ... + 7610773.

It is an arithmetic number, because the mean of its divisors is an integer number (1143520414920).

Almost surely, 2^{9125532053221} is an apocalyptic number.

It is an amenable number.

9125532053221 is a deficient number, since it is larger than the sum of its proper divisors (22631266139).

9125532053221 is a wasteful number, since it uses less digits than its factorization.

9125532053221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13911035.

The product of its (nonzero) digits is 162000, while the sum is 40.

The spelling of 9125532053221 in words is "nine trillion, one hundred twenty-five billion, five hundred thirty-two million, fifty-three thousand, two hundred twenty-one".