2125645311063 has 32 divisors (see below), whose sum is σ = 2882453962752. Its totient is φ = 1393086514400.

The previous prime is 2125645311043. The next prime is 2125645311089. The reversal of 2125645311063 is 3601135465212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2125645311063 - 2¹⁶ = 2125645245527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125645311043) 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, 186078970 + ... + 186090392.

It is an arithmetic number, because the mean of its divisors is an integer number (90076686336).

Almost surely, 2^{2125645311063} is an apocalyptic number.

2125645311063 is a deficient number, since it is larger than the sum of its proper divisors (756808651689).

2125645311063 is a wasteful number, since it uses less digits than its factorization.

2125645311063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13955.

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 2125645311063 in words is "two trillion, one hundred twenty-five billion, six hundred forty-five million, three hundred eleven thousand, sixty-three".