355121142559 has 2 divisors, whose sum is σ = 355121142560. Its totient is φ = 355121142558.

The previous prime is 355121142419. The next prime is 355121142613. The reversal of 355121142559 is 955241121553.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 355121142559 - 2¹³ = 355121134367 is a prime.

It is a super-2 number, since 2×355121142559² (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 (355122142559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177560571279 + 177560571280.

It is an arithmetic number, because the mean of its divisors is an integer number (177560571280).

Almost surely, 2^355121142559 is an apocalyptic number.

355121142559 is a deficient number, since it is larger than the sum of its proper divisors (1).

355121142559 is an equidigital number, since it uses as much as digits as its factorization.

355121142559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 270000, while the sum is 43.

The spelling of 355121142559 in words is "three hundred fifty-five billion, one hundred twenty-one million, one hundred forty-two thousand, five hundred fifty-nine".