355315532120543 has 4 divisors (see below), whose sum is σ = 355316345482248. Its totient is φ = 355314718758840.

The previous prime is 355315532120509. The next prime is 355315532120573. The reversal of 355315532120543 is 345021235513553.

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

It is a cyclic number.

It is not a de Polignac number, because 355315532120543 - 2²⁸ = 355315263685087 is a prime.

It is a super-2 number, since 2×355315532120543² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355315532120503) 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, 406025228 + ... + 406899393.

It is an arithmetic number, because the mean of its divisors is an integer number (88829086370562).

Almost surely, 2^{355315532120543} is an apocalyptic number.

355315532120543 is a deficient number, since it is larger than the sum of its proper divisors (813361705).

355315532120543 is an equidigital number, since it uses as much as digits as its factorization.

355315532120543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813361704.

The product of its (nonzero) digits is 4050000, while the sum is 47.

The spelling of 355315532120543 in words is "three hundred fifty-five trillion, three hundred fifteen billion, five hundred thirty-two million, one hundred twenty thousand, five hundred forty-three".