20125600616453 has 2 divisors, whose sum is σ = 20125600616454. Its totient is φ = 20125600616452.

The previous prime is 20125600616419. The next prime is 20125600616551. The reversal of 20125600616453 is 35461600652102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10389940095649 + 9735660520804 = 3223343^2 + 3120202^2 .

It is a cyclic number.

It is not a de Polignac number, because 20125600616453 - 2⁶ = 20125600616389 is a prime.

It is a super-2 number, since 2×20125600616453² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20125600616453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20125680616453) 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 as a sum of consecutive naturals, namely, 10062800308226 + 10062800308227.

It is an arithmetic number, because the mean of its divisors is an integer number (10062800308227).

Almost surely, 2^{20125600616453} is an apocalyptic number.

It is an amenable number.

20125600616453 is a deficient number, since it is larger than the sum of its proper divisors (1).

20125600616453 is an equidigital number, since it uses as much as digits as its factorization.

20125600616453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 20125600616453 in words is "twenty trillion, one hundred twenty-five billion, six hundred million, six hundred sixteen thousand, four hundred fifty-three".