355064645261 has 2 divisors, whose sum is σ = 355064645262. Its totient is φ = 355064645260.

The previous prime is 355064645219. The next prime is 355064645303. The reversal of 355064645261 is 162546460553.

It is a balanced prime because it is at equal distance from previous prime (355064645219) and next prime (355064645303).

It can be written as a sum of positive squares in only one way, i.e., 322191329161 + 32873316100 = 567619^2 + 181310^2 .

It is a cyclic number.

It is not a de Polignac number, because 355064645261 - 2¹⁸ = 355064383117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (355064645561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177532322630 + 177532322631.

It is an arithmetic number, because the mean of its divisors is an integer number (177532322631).

Almost surely, 2^355064645261 is an apocalyptic number.

It is an amenable number.

355064645261 is a deficient number, since it is larger than the sum of its proper divisors (1).

355064645261 is an equidigital number, since it uses as much as digits as its factorization.

355064645261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 355064645261 in words is "three hundred fifty-five billion, sixty-four million, six hundred forty-five thousand, two hundred sixty-one".