355535403512231 has 2 divisors, whose sum is σ = 355535403512232. Its totient is φ = 355535403512230.

The previous prime is 355535403512189. The next prime is 355535403512321. The reversal of 355535403512231 is 132215304535553.

Together with next prime (355535403512321) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 355535403512231 - 2⁶ = 355535403512167 is a prime.

It is a super-2 number, since 2×355535403512231² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (355535403502231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177767701756115 + 177767701756116.

It is an arithmetic number, because the mean of its divisors is an integer number (177767701756116).

Almost surely, 2^{355535403512231} is an apocalyptic number.

355535403512231 is a deficient number, since it is larger than the sum of its proper divisors (1).

355535403512231 is an equidigital number, since it uses as much as digits as its factorization.

355535403512231 is an evil number, because the sum of its binary digits is even.

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

The spelling of 355535403512231 in words is "three hundred fifty-five trillion, five hundred thirty-five billion, four hundred three million, five hundred twelve thousand, two hundred thirty-one".