1280538280255 has 16 divisors (see below), whose sum is σ = 1659170257920. Its totient is φ = 943159246848.

The previous prime is 1280538280249. The next prime is 1280538280327. The reversal of 1280538280255 is 5520828350821.

It is not a de Polignac number, because 1280538280255 - 2¹³ = 1280538272063 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1280538280199 and 1280538280208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25693890 + ... + 25743679.

It is an arithmetic number, because the mean of its divisors is an integer number (103698141120).

Almost surely, 2^{1280538280255} is an apocalyptic number.

1280538280255 is a deficient number, since it is larger than the sum of its proper divisors (378631977665).

1280538280255 is a wasteful number, since it uses less digits than its factorization.

1280538280255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51437970.

The product of its (nonzero) digits is 1536000, while the sum is 49.

The spelling of 1280538280255 in words is "one trillion, two hundred eighty billion, five hundred thirty-eight million, two hundred eighty thousand, two hundred fifty-five".