353404241555 has 4 divisors (see below), whose sum is σ = 424085089872. Its totient is φ = 282723393240.

The previous prime is 353404241551. The next prime is 353404241557. The reversal of 353404241555 is 555142404353.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 555142404353 = 31121 ⋅17838193.

It is not a de Polignac number, because 353404241555 - 2² = 353404241551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (353404241551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35340424151 + ... + 35340424160.

It is an arithmetic number, because the mean of its divisors is an integer number (106021272468).

Almost surely, 2^353404241555 is an apocalyptic number.

353404241555 is a deficient number, since it is larger than the sum of its proper divisors (70680848317).

353404241555 is an equidigital number, since it uses as much as digits as its factorization.

353404241555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70680848316.

The product of its (nonzero) digits is 720000, while the sum is 41.

The spelling of 353404241555 in words is "three hundred fifty-three billion, four hundred four million, two hundred forty-one thousand, five hundred fifty-five".