12265266401525 has 6 divisors (see below), whose sum is σ = 15208930337922. Its totient is φ = 9812213121200.

The previous prime is 12265266401467. The next prime is 12265266401527. The reversal of 12265266401525 is 52510466256221.

It can be written as a sum of positive squares in 3 ways, for example, as 449004526084 + 11816261875441 = 670078^2 + 3437479^2 .

It is not a de Polignac number, because 12265266401525 - 2²² = 12265262207221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12265266401525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12265266401527) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 245305328006 + ... + 245305328055.

It is an arithmetic number, because the mean of its divisors is an integer number (2534821722987).

Almost surely, 2^{12265266401525} is an apocalyptic number.

It is an amenable number.

12265266401525 is a deficient number, since it is larger than the sum of its proper divisors (2943663936397).

12265266401525 is an equidigital number, since it uses as much as digits as its factorization.

12265266401525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490610656071 (or 490610656066 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 47.

The spelling of 12265266401525 in words is "twelve trillion, two hundred sixty-five billion, two hundred sixty-six million, four hundred one thousand, five hundred twenty-five".