12511005211 has 8 divisors (see below), whose sum is σ = 13433524704. Its totient is φ = 11609216640.

The previous prime is 12511005193. The next prime is 12511005251. The reversal of 12511005211 is 11250011521.

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

It is a cyclic number.

It is not a de Polignac number, because 12511005211 - 2¹⁵ = 12510972443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12511005251) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5181480 + ... + 5183893.

It is an arithmetic number, because the mean of its divisors is an integer number (1679190588).

Almost surely, 2^12511005211 is an apocalyptic number.

12511005211 is a deficient number, since it is larger than the sum of its proper divisors (922519493).

12511005211 is a wasteful number, since it uses less digits than its factorization.

12511005211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10365461.

The product of its (nonzero) digits is 100, while the sum is 19.

Adding to 12511005211 its reverse (11250011521), we get a palindrome (23761016732).

The spelling of 12511005211 in words is "twelve billion, five hundred eleven million, five thousand, two hundred eleven".