12555010323025 has 81 divisors (see below), whose sum is σ = 16242015456849. Its totient is φ = 9627131338560.

The previous prime is 12555010323007. The next prime is 12555010323041. The reversal of 12555010323025 is 52032301055521.

The square root of 12555010323025 is 3543305.

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

12555010323025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1191854741841 + 11363155581184 = 1091721^2 + 3370928^2 .

It is not a de Polignac number, because 12555010323025 - 2²¹ = 12555008225873 is a prime.

It is a super-2 number, since 2×12555010323025² (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 80 ways as a sum of consecutive naturals, for example, 70139722386 + ... + 70139722564.

Almost surely, 2^{12555010323025} is an apocalyptic number.

12555010323025 is the 3543305-th square number.

12555010323025 is the 1771653-rd centered octagonal number.

It is an amenable number.

12555010323025 is a deficient number, since it is larger than the sum of its proper divisors (3687005133824).

12555010323025 is an frugal number, since it uses more digits than its factorization.

12555010323025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 34.

Adding to 12555010323025 its reverse (52032301055521), we get a palindrome (64587311378546).

The spelling of 12555010323025 in words is "twelve trillion, five hundred fifty-five billion, ten million, three hundred twenty-three thousand, twenty-five".