2125604456513 has 32 divisors (see below), whose sum is σ = 2233318563840. Its totient is φ = 2020454694720.

The previous prime is 2125604456473. The next prime is 2125604456537. The reversal of 2125604456513 is 3156544065212.

It is a cyclic number.

It is not a de Polignac number, because 2125604456513 - 2¹⁰ = 2125604455489 is a prime.

It is a super-2 number, since 2×2125604456513² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2125604456543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 391380908 + ... + 391386338.

It is an arithmetic number, because the mean of its divisors is an integer number (69791205120).

Almost surely, 2^{2125604456513} is an apocalyptic number.

It is an amenable number.

2125604456513 is a deficient number, since it is larger than the sum of its proper divisors (107714107327).

2125604456513 is a wasteful number, since it uses less digits than its factorization.

2125604456513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6309.

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 2125604456513 in words is "two trillion, one hundred twenty-five billion, six hundred four million, four hundred fifty-six thousand, five hundred thirteen".