355805604851 has 2 divisors, whose sum is σ = 355805604852. Its totient is φ = 355805604850.

The previous prime is 355805604829. The next prime is 355805604883. The reversal of 355805604851 is 158406508553.

It is a weak prime.

It is an emirp because it is prime and its reverse (158406508553) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-355805604851 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 355805604851.

It is not a weakly prime, because it can be changed into another prime (355805604821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177902802425 + 177902802426.

It is an arithmetic number, because the mean of its divisors is an integer number (177902802426).

Almost surely, 2^355805604851 is an apocalyptic number.

355805604851 is a deficient number, since it is larger than the sum of its proper divisors (1).

355805604851 is an equidigital number, since it uses as much as digits as its factorization.

355805604851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880000, while the sum is 50.

The spelling of 355805604851 in words is "three hundred fifty-five billion, eight hundred five million, six hundred four thousand, eight hundred fifty-one".