355155231293 has 2 divisors, whose sum is σ = 355155231294. Its totient is φ = 355155231292.

The previous prime is 355155231257. The next prime is 355155231367. The reversal of 355155231293 is 392132551553.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 354783435769 + 371795524 = 595637^2 + 19282^2 .

It is a cyclic number.

It is not a de Polignac number, because 355155231293 - 2²⁶ = 355088122429 is a prime.

It is a super-2 number, since 2×355155231293² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (355155231203) 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 as a sum of consecutive naturals, namely, 177577615646 + 177577615647.

It is an arithmetic number, because the mean of its divisors is an integer number (177577615647).

Almost surely, 2^355155231293 is an apocalyptic number.

It is an amenable number.

355155231293 is a deficient number, since it is larger than the sum of its proper divisors (1).

355155231293 is an equidigital number, since it uses as much as digits as its factorization.

355155231293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 607500, while the sum is 44.

The spelling of 355155231293 in words is "three hundred fifty-five billion, one hundred fifty-five million, two hundred thirty-one thousand, two hundred ninety-three".