4043126056525 has 24 divisors (see below), whose sum is σ = 5097303149288. Its totient is φ = 3180453120000.

The previous prime is 4043126056513. The next prime is 4043126056553. The reversal of 4043126056525 is 5256506213404.

It can be written as a sum of positive squares in 12 ways, for example, as 3906322979364 + 136803077161 = 1976442^2 + 369869^2 .

It is not a de Polignac number, because 4043126056525 - 2⁵ = 4043126056493 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 4334785 + ... + 5184265.

Almost surely, 2^{4043126056525} is an apocalyptic number.

It is an amenable number.

4043126056525 is a deficient number, since it is larger than the sum of its proper divisors (1054177092763).

4043126056525 is a wasteful number, since it uses less digits than its factorization.

4043126056525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852673 (or 852668 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 4043126056525 in words is "four trillion, forty-three billion, one hundred twenty-six million, fifty-six thousand, five hundred twenty-five".