12541025725 has 12 divisors (see below), whose sum is σ = 15711193204. Its totient is φ = 9929387520.

The previous prime is 12541025657. The next prime is 12541025771. The reversal of 12541025725 is 52752014521.

It can be written as a sum of positive squares in 6 ways, for example, as 3252306841 + 9288718884 = 57029^2 + 96378^2 .

It is not a de Polignac number, because 12541025725 - 2¹⁹ = 12540501437 is a prime.

It is a super-2 number, since 2×12541025725² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2583354 + ... + 2588203.

Almost surely, 2^12541025725 is an apocalyptic number.

It is an amenable number.

12541025725 is a deficient number, since it is larger than the sum of its proper divisors (3170167479).

12541025725 is an equidigital number, since it uses as much as digits as its factorization.

12541025725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5171664 (or 5171659 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 34.

The spelling of 12541025725 in words is "twelve billion, five hundred forty-one million, twenty-five thousand, seven hundred twenty-five".