356128465225 has 27 divisors (see below), whose sum is σ = 478233576639. Its totient is φ = 262958529600.

The previous prime is 356128465223. The next prime is 356128465229. The reversal of 356128465225 is 522564821653.

The square root of 356128465225 is 596765.

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 301766744889 + 54361720336 = 549333^2 + 233156^2 .

It is not a de Polignac number, because 356128465225 - 2¹ = 356128465223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (356128465223) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 38785135 + ... + 38794315.

Almost surely, 2^356128465225 is an apocalyptic number.

356128465225 is the 596765-th square number.

356128465225 is the 298383-rd centered octagonal number.

It is an amenable number.

356128465225 is a deficient number, since it is larger than the sum of its proper divisors (122105111414).

356128465225 is an frugal number, since it uses more digits than its factorization.

356128465225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18398 (or 9199 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 49.

Multiplying 356128465225 by its sum of digits (49), we get a square (17450294796025 = 4177355²).

The spelling of 356128465225 in words is "three hundred fifty-six billion, one hundred twenty-eight million, four hundred sixty-five thousand, two hundred twenty-five".