280255280311 has 2 divisors, whose sum is σ = 280255280312. Its totient is φ = 280255280310.

The previous prime is 280255280287. The next prime is 280255280339. The reversal of 280255280311 is 113082552082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 280255280311 - 2¹¹ = 280255278263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (280255280341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140127640155 + 140127640156.

It is an arithmetic number, because the mean of its divisors is an integer number (140127640156).

Almost surely, 2^280255280311 is an apocalyptic number.

280255280311 is a deficient number, since it is larger than the sum of its proper divisors (1).

280255280311 is an equidigital number, since it uses as much as digits as its factorization.

280255280311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38400, while the sum is 37.

The spelling of 280255280311 in words is "two hundred eighty billion, two hundred fifty-five million, two hundred eighty thousand, three hundred eleven".