1283518511228 has 12 divisors (see below), whose sum is σ = 2246174162232. Its totient is φ = 641754464880.

The previous prime is 1283518511213. The next prime is 1283518511287. The reversal of 1283518511228 is 8221158153821.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556763 + ... + 1696178.

It is an arithmetic number, because the mean of its divisors is an integer number (187181180186).

Almost surely, 2^{1283518511228} is an apocalyptic number.

It is an amenable number.

1283518511228 is a deficient number, since it is larger than the sum of its proper divisors (962655651004).

1283518511228 is a wasteful number, since it uses less digits than its factorization.

1283518511228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2395372 (or 2395370 counting only the distinct ones).

The product of its digits is 307200, while the sum is 47.

The spelling of 1283518511228 in words is "one trillion, two hundred eighty-three billion, five hundred eighteen million, five hundred eleven thousand, two hundred twenty-eight".