11522251219 has 2 divisors, whose sum is σ = 11522251220. Its totient is φ = 11522251218.

The previous prime is 11522251217. The next prime is 11522251229. The reversal of 11522251219 is 91215222511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11522251219 - 2¹ = 11522251217 is a prime.

It is a super-2 number, since 2×11522251219² (a number of 21 digits) contains 22 as substring.

Together with 11522251217, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11522251217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5761125609 + 5761125610.

It is an arithmetic number, because the mean of its divisors is an integer number (5761125610).

Almost surely, 2^11522251219 is an apocalyptic number.

11522251219 is a deficient number, since it is larger than the sum of its proper divisors (1).

11522251219 is an equidigital number, since it uses as much as digits as its factorization.

11522251219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 31.

The spelling of 11522251219 in words is "eleven billion, five hundred twenty-two million, two hundred fifty-one thousand, two hundred nineteen".