2256531541546 has 8 divisors (see below), whose sum is σ = 3384951141924. Its totient is φ = 1128214494240.

The previous prime is 2256531541507. The next prime is 2256531541559. The reversal of 2256531541546 is 6451451356522.

It can be written as a sum of positive squares in 2 ways, for example, as 2206517139225 + 50014402321 = 1485435^2 + 223639^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×2256531541546³ (a number of 38 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2256531541546.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25583235 + ... + 25671286.

Almost surely, 2^{2256531541546} is an apocalyptic number.

2256531541546 is a deficient number, since it is larger than the sum of its proper divisors (1128419600378).

2256531541546 is a wasteful number, since it uses less digits than its factorization.

2256531541546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51276536.

The product of its digits is 4320000, while the sum is 49.

The spelling of 2256531541546 in words is "two trillion, two hundred fifty-six billion, five hundred thirty-one million, five hundred forty-one thousand, five hundred forty-six".