4352121232505 has 4 divisors (see below), whose sum is σ = 5222545479012. Its totient is φ = 3481696986000.

The previous prime is 4352121232399. The next prime is 4352121232519. The reversal of 4352121232505 is 5052321212534.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1371156689296 + 2980964543209 = 1170964^2 + 1726547^2 .

It is not a de Polignac number, because 4352121232505 - 2¹⁰ = 4352121231481 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435212123246 + ... + 435212123255.

It is an arithmetic number, because the mean of its divisors is an integer number (1305636369753).

Almost surely, 2^{4352121232505} is an apocalyptic number.

It is an amenable number.

4352121232505 is a deficient number, since it is larger than the sum of its proper divisors (870424246507).

4352121232505 is an equidigital number, since it uses as much as digits as its factorization.

4352121232505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870424246506.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 4352121232505 in words is "four trillion, three hundred fifty-two billion, one hundred twenty-one million, two hundred thirty-two thousand, five hundred five".