6551159256 has 64 divisors (see below), whose sum is σ = 18210780000. Its totient is φ = 2182146048.

The previous prime is 6551159239. The next prime is 6551159257. The reversal of 6551159256 is 6529511556.

6551159256 is a `hidden beast` number, since 6 + 5 + 5 + 1 + 1 + 592 + 56 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6551159257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311440 + ... + 331808.

Almost surely, 2^6551159256 is an apocalyptic number.

It is an amenable number.

6551159256 is an abundant number, since it is smaller than the sum of its proper divisors (11659620744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6551159256 is a wasteful number, since it uses less digits than its factorization.

6551159256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21873 (or 21863 counting only the distinct ones).

The product of its digits is 405000, while the sum is 45.

The square root of 6551159256 is about 80939.2318718185. The cubic root of 6551159256 is about 1871.1390065932.

The spelling of 6551159256 in words is "six billion, five hundred fifty-one million, one hundred fifty-nine thousand, two hundred fifty-six".