551023256236 has 12 divisors (see below), whose sum is σ = 982484862912. Its totient is φ = 270313295408.

The previous prime is 551023256227. The next prime is 551023256239. The reversal of 551023256236 is 632652320155.

It is not an unprimeable number, because it can be changed into a prime (551023256239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1299582940 + ... + 1299583363.

It is an arithmetic number, because the mean of its divisors is an integer number (81873738576).

Almost surely, 2^551023256236 is an apocalyptic number.

It is an amenable number.

551023256236 is a deficient number, since it is larger than the sum of its proper divisors (431461606676).

551023256236 is a wasteful number, since it uses less digits than its factorization.

551023256236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2599166360 (or 2599166358 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 40.

The spelling of 551023256236 in words is "five hundred fifty-one billion, twenty-three million, two hundred fifty-six thousand, two hundred thirty-six".