11111079519 has 12 divisors (see below), whose sum is σ = 16060746000. Its totient is φ = 7402120704.

The previous prime is 11111079503. The next prime is 11111079523. The reversal of 11111079519 is 91597011111.

It is not a de Polignac number, because 11111079519 - 2⁴ = 11111079503 is a prime.

It is a super-2 number, since 2×11111079519² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111079569) 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 in 11 ways as a sum of consecutive naturals, for example, 425419 + ... + 450780.

It is an arithmetic number, because the mean of its divisors is an integer number (1338395500).

Almost surely, 2^11111079519 is an apocalyptic number.

11111079519 is a deficient number, since it is larger than the sum of its proper divisors (4949666481).

11111079519 is a wasteful number, since it uses less digits than its factorization.

11111079519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877614 (or 877611 counting only the distinct ones).

The product of its (nonzero) digits is 2835, while the sum is 36.

The spelling of 11111079519 in words is "eleven billion, one hundred eleven million, seventy-nine thousand, five hundred nineteen".