352120415403425 has 12 divisors (see below), whose sum is σ = 436633658082540. Its totient is φ = 281693530398720.

The previous prime is 352120415403391. The next prime is 352120415403443. The reversal of 352120415403425 is 524304514021253.

It can be written as a sum of positive squares in 6 ways, for example, as 7462824121489 + 344657591281936 = 2731817^2 + 18564956^2 .

It is a de Polignac number, because none of the positive numbers 2^k-352120415403425 is a prime.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 67482572 + ... + 72513021.

It is an arithmetic number, because the mean of its divisors is an integer number (36386138173545).

Almost surely, 2^{352120415403425} is an apocalyptic number.

It is an amenable number.

352120415403425 is a deficient number, since it is larger than the sum of its proper divisors (84513242679115).

352120415403425 is a wasteful number, since it uses less digits than its factorization.

352120415403425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140096212 (or 140096207 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 41.

Adding to 352120415403425 its reverse (524304514021253), we get a palindrome (876424929424678).

The spelling of 352120415403425 in words is "three hundred fifty-two trillion, one hundred twenty billion, four hundred fifteen million, four hundred three thousand, four hundred twenty-five".