355540302311345 has 4 divisors (see below), whose sum is σ = 426648362773620. Its totient is φ = 284432241849072.

The previous prime is 355540302311267. The next prime is 355540302311353. The reversal of 355540302311345 is 543113203045553.

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 52779745511089 + 302760556800256 = 7264967^2 + 17400016^2 .

It is a cyclic number.

It is not a de Polignac number, because 355540302311345 - 2⁴⁰ = 354440790683569 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 355540302311296 and 355540302311305.

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, 35554030231130 + ... + 35554030231139.

It is an arithmetic number, because the mean of its divisors is an integer number (106662090693405).

Almost surely, 2^{355540302311345} is an apocalyptic number.

It is an amenable number.

355540302311345 is a deficient number, since it is larger than the sum of its proper divisors (71108060462275).

355540302311345 is an equidigital number, since it uses as much as digits as its factorization.

355540302311345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71108060462274.

The product of its (nonzero) digits is 1620000, while the sum is 44.

Adding to 355540302311345 its reverse (543113203045553), we get a palindrome (898653505356898).

The spelling of 355540302311345 in words is "three hundred fifty-five trillion, five hundred forty billion, three hundred two million, three hundred eleven thousand, three hundred forty-five".