2530263664211 has 4 divisors (see below), whose sum is σ = 2530270620024.
Its totient is φ = 2530256708400.
The previous prime is 2530263664199. The next prime is 2530263664223. The reversal of 2530263664211 is 1124663620352.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (2530263664199) and next prime (2530263664223).
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2530263664211 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2530263663211) 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, 2900285 + ... + 3670446.
It is an arithmetic number, because the mean of its divisors is an integer number (632567655006).
Almost surely, 22530263664211 is an apocalyptic number.
2530263664211 is a deficient number, since it is larger than the sum of its proper divisors (6955813).
2530263664211 is an equidigital number, since it uses as much as digits as its factorization.
2530263664211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6955812.
The product of its (nonzero) digits is 311040, while the sum is 41.
The spelling of 2530263664211 in words is "two trillion, five hundred thirty billion, two hundred sixty-three million, six hundred sixty-four thousand, two hundred eleven".