12610156421125 has 16 divisors (see below), whose sum is σ = 16663209052464. Its totient is φ = 9494706009600.

The previous prime is 12610156421069. The next prime is 12610156421129. The reversal of 12610156421125 is 52112465101621.

It can be written as a sum of positive squares in 8 ways, for example, as 4802904551809 + 7807251869316 = 2191553^2 + 2794146^2 .

It is not a de Polignac number, because 12610156421125 - 2¹³ = 12610156412933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12610156421129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2967093504 + ... + 2967097753.

It is an arithmetic number, because the mean of its divisors is an integer number (1041450565779).

Almost surely, 2^{12610156421125} is an apocalyptic number.

It is an amenable number.

12610156421125 is a deficient number, since it is larger than the sum of its proper divisors (4053052631339).

12610156421125 is an equidigital number, since it uses as much as digits as its factorization.

12610156421125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5934191289 (or 5934191279 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 37.

The spelling of 12610156421125 in words is "twelve trillion, six hundred ten billion, one hundred fifty-six million, four hundred twenty-one thousand, one hundred twenty-five".