11256143011 has 2 divisors, whose sum is σ = 11256143012. Its totient is φ = 11256143010.

The previous prime is 11256143009. The next prime is 11256143053. The reversal of 11256143011 is 11034165211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11256143011 - 2¹ = 11256143009 is a prime.

It is a super-2 number, since 2×11256143011² (a number of 21 digits) contains 22 as substring.

Together with 11256143009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11256143111) 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 as a sum of consecutive naturals, namely, 5628071505 + 5628071506.

It is an arithmetic number, because the mean of its divisors is an integer number (5628071506).

Almost surely, 2^11256143011 is an apocalyptic number.

11256143011 is a deficient number, since it is larger than the sum of its proper divisors (1).

11256143011 is an equidigital number, since it uses as much as digits as its factorization.

11256143011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 25.

The spelling of 11256143011 in words is "eleven billion, two hundred fifty-six million, one hundred forty-three thousand, eleven".