4352121343125 has 70 divisors (see below), whose sum is σ = 8153887050606. Its totient is φ = 2321131140000.

The previous prime is 4352121343117. The next prime is 4352121343151. The reversal of 4352121343125 is 5213431212534.

4352121343125 is a `hidden beast` number, since 4 + 3 + 5 + 2 + 1 + 213 + 431 + 2 + 5 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 1372292759601 + 2979828583524 = 1171449^2 + 1726218^2 .

It is not a de Polignac number, because 4352121343125 - 2³ = 4352121343117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4352121343125.

It is a congruent number.

It is an unprimeable number.

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 69 ways as a sum of consecutive naturals, for example, 4320366 + ... + 5231615.

Almost surely, 2^{4352121343125} is an apocalyptic number.

4352121343125 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4352121343125 is a deficient number, since it is larger than the sum of its proper divisors (3801765707481).

4352121343125 is an frugal number, since it uses more digits than its factorization.

4352121343125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9552019 (or 9551989 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

Adding to 4352121343125 its reverse (5213431212534), we get a palindrome (9565552555659).

The spelling of 4352121343125 in words is "four trillion, three hundred fifty-two billion, one hundred twenty-one million, three hundred forty-three thousand, one hundred twenty-five".