9554930121025 has 27 divisors (see below), whose sum is σ = 11968538192859. Its totient is φ = 7567025040000.

The previous prime is 9554930121013. The next prime is 9554930121053. The reversal of 9554930121025 is 5201210394559.

The square root of 9554930121025 is 3091105.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 4739995185409 + 4814934935616 = 2177153^2 + 2194296^2 .

It is not a de Polignac number, because 9554930121025 - 2²⁹ = 9554393250113 is a prime.

It is a super-2 number, since 2×9554930121025² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1561004965 + ... + 1561011085.

Almost surely, 2^{9554930121025} is an apocalyptic number.

9554930121025 is the 3091105-th square number.

9554930121025 is the 1545553-rd centered octagonal number.

It is an amenable number.

9554930121025 is a deficient number, since it is larger than the sum of its proper divisors (2413608071834).

9554930121025 is an frugal number, since it uses more digits than its factorization.

9554930121025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12454 (or 6227 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 46.

The spelling of 9554930121025 in words is "nine trillion, five hundred fifty-four billion, nine hundred thirty million, one hundred twenty-one thousand, twenty-five".