12461125665524 has 24 divisors (see below), whose sum is σ = 21954131476200. Its totient is φ = 6188519743616.

The previous prime is 12461125665517. The next prime is 12461125665551. The reversal of 12461125665524 is 42556652116421.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 608116113124 + 11853009552400 = 779818^2 + 3442820^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16483394 + ... + 17222790.

It is an arithmetic number, because the mean of its divisors is an integer number (914755478175).

Almost surely, 2^{12461125665524} is an apocalyptic number.

It is an amenable number.

12461125665524 is a deficient number, since it is larger than the sum of its proper divisors (9493005810676).

12461125665524 is a wasteful number, since it uses less digits than its factorization.

12461125665524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767827 (or 767825 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 50.

The spelling of 12461125665524 in words is "twelve trillion, four hundred sixty-one billion, one hundred twenty-five million, six hundred sixty-five thousand, five hundred twenty-four".