2256153333243 has 4 divisors (see below), whose sum is σ = 3008204444328. Its totient is φ = 1504102222160.

The previous prime is 2256153333199. The next prime is 2256153333277. The reversal of 2256153333243 is 3423333516522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2256153333243 - 2¹² = 2256153329147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2256153333195 and 2256153333204.

It is not an unprimeable number, because it can be changed into a prime (2256153333293) 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, 376025555538 + ... + 376025555543.

It is an arithmetic number, because the mean of its divisors is an integer number (752051111082).

Almost surely, 2^{2256153333243} is an apocalyptic number.

2256153333243 is a deficient number, since it is larger than the sum of its proper divisors (752051111085).

2256153333243 is an equidigital number, since it uses as much as digits as its factorization.

2256153333243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752051111084.

The product of its digits is 1166400, while the sum is 42.

Adding to 2256153333243 its reverse (3423333516522), we get a palindrome (5679486849765).

The spelling of 2256153333243 in words is "two trillion, two hundred fifty-six billion, one hundred fifty-three million, three hundred thirty-three thousand, two hundred forty-three".