425165121561524 has 12 divisors (see below), whose sum is σ = 744069793671204. Its totient is φ = 212573751941184.

The previous prime is 425165121561511. The next prime is 425165121561529.

425165121561524 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 172398685684624 + 252766435876900 = 13130068^2 + 15898630^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425165121561529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2202101297 + ... + 2202294360.

It is an arithmetic number, because the mean of its divisors is an integer number (62005816139267).

Almost surely, 2^{425165121561524} is an apocalyptic number.

It is an amenable number.

425165121561524 is a deficient number, since it is larger than the sum of its proper divisors (318904672109680).

425165121561524 is a wasteful number, since it uses less digits than its factorization.

425165121561524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4404419794 (or 4404419792 counting only the distinct ones).

The product of its digits is 2880000, while the sum is 50.

The spelling of 425165121561524 in words is "four hundred twenty-five trillion, one hundred sixty-five billion, one hundred twenty-one million, five hundred sixty-one thousand, five hundred twenty-four".