12853780508 has 6 divisors (see below), whose sum is σ = 22494115896. Its totient is φ = 6426890252.

The previous prime is 12853780469. The next prime is 12853780543. The reversal of 12853780508 is 80508735821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606722560 + ... + 1606722567.

It is an arithmetic number, because the mean of its divisors is an integer number (3749019316).

Almost surely, 2^12853780508 is an apocalyptic number.

It is an amenable number.

12853780508 is a deficient number, since it is larger than the sum of its proper divisors (9640335388).

12853780508 is a wasteful number, since it uses less digits than its factorization.

12853780508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213445131 (or 3213445129 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 47.

The spelling of 12853780508 in words is "twelve billion, eight hundred fifty-three million, seven hundred eighty thousand, five hundred eight".