351011005221377 has 2 divisors, whose sum is σ = 351011005221378. Its totient is φ = 351011005221376.

The previous prime is 351011005221341. The next prime is 351011005221407. The reversal of 351011005221377 is 773122500110153.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 233270363322481 + 117740641898896 = 15273191^2 + 10850836^2 .

It is a cyclic number.

It is not a de Polignac number, because 351011005221377 - 2¹⁶ = 351011005155841 is a prime.

It is a super-2 number, since 2×351011005221377² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 351011005221377.

It is not a weakly prime, because it can be changed into another prime (351011005121377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175505502610688 + 175505502610689.

It is an arithmetic number, because the mean of its divisors is an integer number (175505502610689).

Almost surely, 2^{351011005221377} is an apocalyptic number.

It is an amenable number.

351011005221377 is a deficient number, since it is larger than the sum of its proper divisors (1).

351011005221377 is an equidigital number, since it uses as much as digits as its factorization.

351011005221377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44100, while the sum is 38.

The spelling of 351011005221377 in words is "three hundred fifty-one trillion, eleven billion, five million, two hundred twenty-one thousand, three hundred seventy-seven".