97520055121 has 8 divisors (see below), whose sum is σ = 98605574144. Its totient is φ = 96436172160.

The previous prime is 97520055119. The next prime is 97520055203. The reversal of 97520055121 is 12155002579.

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 97520055121 - 2¹ = 97520055119 is a prime.

It is a super-3 number, since 3×97520055121³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97520056121) 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, 288945 + ... + 527758.

It is an arithmetic number, because the mean of its divisors is an integer number (12325696768).

Almost surely, 2^97520055121 is an apocalyptic number.

It is an amenable number.

97520055121 is a deficient number, since it is larger than the sum of its proper divisors (1085519023).

97520055121 is a wasteful number, since it uses less digits than its factorization.

97520055121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818031.

The product of its (nonzero) digits is 31500, while the sum is 37.

The spelling of 97520055121 in words is "ninety-seven billion, five hundred twenty million, fifty-five thousand, one hundred twenty-one".