11124591469 has 2 divisors, whose sum is σ = 11124591470. Its totient is φ = 11124591468.

The previous prime is 11124591451. The next prime is 11124591473. The reversal of 11124591469 is 96419542111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8707689225 + 2416902244 = 93315^2 + 49162^2 .

It is a cyclic number.

It is not a de Polignac number, because 11124591469 - 2²³ = 11116202861 is a prime.

It is a super-2 number, since 2×11124591469² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11124591479) 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, 5562295734 + 5562295735.

It is an arithmetic number, because the mean of its divisors is an integer number (5562295735).

Almost surely, 2^11124591469 is an apocalyptic number.

It is an amenable number.

11124591469 is a deficient number, since it is larger than the sum of its proper divisors (1).

11124591469 is an equidigital number, since it uses as much as digits as its factorization.

11124591469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 43.

The spelling of 11124591469 in words is "eleven billion, one hundred twenty-four million, five hundred ninety-one thousand, four hundred sixty-nine".