425563565365524 has 48 divisors (see below), whose sum is σ = 1019990312589248. Its totient is φ = 137997429884928.

The previous prime is 425563565365469. The next prime is 425563565365529.

425563565365524 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×425563565365524² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425563565365529) 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 in 15 ways as a sum of consecutive naturals, for example, 77860522 + ... + 83146785.

Almost surely, 2^{425563565365524} is an apocalyptic number.

It is an amenable number.

425563565365524 is an abundant number, since it is smaller than the sum of its proper divisors (594426747223724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425563565365524 is a wasteful number, since it uses less digits than its factorization.

425563565365524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161013304 (or 161013302 counting only the distinct ones).

The product of its digits is 1944000000, while the sum is 66.

The spelling of 425563565365524 in words is "four hundred twenty-five trillion, five hundred sixty-three billion, five hundred sixty-five million, three hundred sixty-five thousand, five hundred twenty-four".