11122011487 has 2 divisors, whose sum is σ = 11122011488. Its totient is φ = 11122011486.

The previous prime is 11122011419. The next prime is 11122011497. The reversal of 11122011487 is 78411022111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11122011487 - 2¹¹ = 11122009439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11122011497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561005743 + 5561005744.

It is an arithmetic number, because the mean of its divisors is an integer number (5561005744).

Almost surely, 2^11122011487 is an apocalyptic number.

11122011487 is a deficient number, since it is larger than the sum of its proper divisors (1).

11122011487 is an equidigital number, since it uses as much as digits as its factorization.

11122011487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 28.

Adding to 11122011487 its reverse (78411022111), we get a palindrome (89533033598).

The spelling of 11122011487 in words is "eleven billion, one hundred twenty-two million, eleven thousand, four hundred eighty-seven".