1225770051025 has 27 divisors (see below), whose sum is σ = 1645964917779. Its totient is φ = 905130894720.

The previous prime is 1225770051019. The next prime is 1225770051053. The reversal of 1225770051025 is 5201500775221.

The square root of 1225770051025 is 1107145.

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 1223817825169 + 1952225856 = 1106263^2 + 44184^2 .

It is not a de Polignac number, because 1225770051025 - 2⁵ = 1225770050993 is a prime.

It is a super-3 number, since 3×1225770051025³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 71955909 + ... + 71972941.

Almost surely, 2^{1225770051025} is an apocalyptic number.

1225770051025 is the 1107145-th square number.

1225770051025 is the 553573-rd centered octagonal number.

It is an amenable number.

1225770051025 is a deficient number, since it is larger than the sum of its proper divisors (420194866754).

1225770051025 is an frugal number, since it uses more digits than its factorization.

1225770051025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34102 (or 17051 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 37.

The spelling of 1225770051025 in words is "one trillion, two hundred twenty-five billion, seven hundred seventy million, fifty-one thousand, twenty-five".