11124555555779 has 4 divisors (see below), whose sum is σ = 11313107344920. Its totient is φ = 10936003766640.

The previous prime is 11124555555721. The next prime is 11124555555917. The reversal of 11124555555779 is 97755555542111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11124555555779 is a prime.

It is a super-2 number, since 2×11124555555779² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11124555555479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94275894482 + ... + 94275894599.

It is an arithmetic number, because the mean of its divisors is an integer number (2828276836230).

Almost surely, 2^{11124555555779} is an apocalyptic number.

11124555555779 is a deficient number, since it is larger than the sum of its proper divisors (188551789141).

11124555555779 is an equidigital number, since it uses as much as digits as its factorization.

11124555555779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188551789140.

The product of its digits is 55125000, while the sum is 62.

The spelling of 11124555555779 in words is "eleven trillion, one hundred twenty-four billion, five hundred fifty-five million, five hundred fifty-five thousand, seven hundred seventy-nine".