11928519959 has 8 divisors (see below), whose sum is σ = 12349202880. Its totient is φ = 11514790656.

The previous prime is 11928519949. The next prime is 11928519961. The reversal of 11928519959 is 95991582911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11928519959 - 2⁴ = 11928519943 is a prime.

It is a super-2 number, since 2×11928519959² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11928519898 and 11928519907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11928519929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1734914 + ... + 1741775.

It is an arithmetic number, because the mean of its divisors is an integer number (1543650360).

Almost surely, 2^11928519959 is an apocalyptic number.

11928519959 is a deficient number, since it is larger than the sum of its proper divisors (420682921).

11928519959 is an equidigital number, since it uses as much as digits as its factorization.

11928519959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3476809.

The product of its digits is 2624400, while the sum is 59.

The spelling of 11928519959 in words is "eleven billion, nine hundred twenty-eight million, five hundred nineteen thousand, nine hundred fifty-nine".