11250011231 has 2 divisors, whose sum is σ = 11250011232. Its totient is φ = 11250011230.

The previous prime is 11250011191. The next prime is 11250011233. The reversal of 11250011231 is 13211005211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11250011231 - 2¹⁸ = 11249749087 is a prime.

It is a super-2 number, since 2×11250011231² (a number of 21 digits) contains 22 as substring.

Together with 11250011233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11250011233) 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, 5625005615 + 5625005616.

It is an arithmetic number, because the mean of its divisors is an integer number (5625005616).

Almost surely, 2^11250011231 is an apocalyptic number.

11250011231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11250011231 is an equidigital number, since it uses as much as digits as its factorization.

11250011231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 17.

Adding to 11250011231 its reverse (13211005211), we get a palindrome (24461016442).

The spelling of 11250011231 in words is "eleven billion, two hundred fifty million, eleven thousand, two hundred thirty-one".