11124404465 has 4 divisors (see below), whose sum is σ = 13349285364. Its totient is φ = 8899523568.

The previous prime is 11124404453. The next prime is 11124404477. The reversal of 11124404465 is 56440442111.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (11124404453) and next prime (11124404477).

It can be written as a sum of positive squares in 2 ways, for example, as 4187513521 + 6936890944 = 64711^2 + 83288^2 .

It is a cyclic number.

It is not a de Polignac number, because 11124404465 - 2¹² = 11124400369 is a prime.

It is a super-3 number, since 3×11124404465³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1112440442 + ... + 1112440451.

It is an arithmetic number, because the mean of its divisors is an integer number (3337321341).

Almost surely, 2^11124404465 is an apocalyptic number.

It is an amenable number.

11124404465 is a deficient number, since it is larger than the sum of its proper divisors (2224880899).

11124404465 is an equidigital number, since it uses as much as digits as its factorization.

11124404465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224880898.

The product of its (nonzero) digits is 15360, while the sum is 32.

Adding to 11124404465 its reverse (56440442111), we get a palindrome (67564846576).

The spelling of 11124404465 in words is "eleven billion, one hundred twenty-four million, four hundred four thousand, four hundred sixty-five".