2256526633529 has 4 divisors (see below), whose sum is σ = 2578887581184. Its totient is φ = 1934165685876.

The previous prime is 2256526633511. The next prime is 2256526633547. The reversal of 2256526633529 is 9253366256522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2256526633511) and next prime (2256526633547).

It is a cyclic number.

It is not a de Polignac number, because 2256526633529 - 2⁴⁰ = 1157015005753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2256526633429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161180473817 + ... + 161180473830.

It is an arithmetic number, because the mean of its divisors is an integer number (644721895296).

Almost surely, 2^{2256526633529} is an apocalyptic number.

It is an amenable number.

2256526633529 is a deficient number, since it is larger than the sum of its proper divisors (322360947655).

2256526633529 is an equidigital number, since it uses as much as digits as its factorization.

2256526633529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322360947654.

The product of its digits is 34992000, while the sum is 56.

The spelling of 2256526633529 in words is "two trillion, two hundred fifty-six billion, five hundred twenty-six million, six hundred thirty-three thousand, five hundred twenty-nine".