355552120433 has 4 divisors (see below), whose sum is σ = 355624055808. Its totient is φ = 355480185060.

The previous prime is 355552120393. The next prime is 355552120447. The reversal of 355552120433 is 334021255553.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 355552120433 - 2¹⁸ = 355551858289 is a prime.

It is a super-2 number, since 2×355552120433² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (355552620433) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 35960273 + ... + 35970158.

It is an arithmetic number, because the mean of its divisors is an integer number (88906013952).

Almost surely, 2^355552120433 is an apocalyptic number.

It is an amenable number.

355552120433 is a deficient number, since it is larger than the sum of its proper divisors (71935375).

355552120433 is an equidigital number, since it uses as much as digits as its factorization.

355552120433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71935374.

The product of its (nonzero) digits is 270000, while the sum is 38.

Adding to 355552120433 its reverse (334021255553), we get a palindrome (689573375986).

The spelling of 355552120433 in words is "three hundred fifty-five billion, five hundred fifty-two million, one hundred twenty thousand, four hundred thirty-three".