11499170479 has 4 divisors (see below), whose sum is σ = 11548523376. Its totient is φ = 11449817584.

The previous prime is 11499170429. The next prime is 11499170483. The reversal of 11499170479 is 97407199411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97407199411 = 53 ⋅1837871687.

It is not a de Polignac number, because 11499170479 - 2¹¹ = 11499168431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11499170429) 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, 24676099 + ... + 24676564.

It is an arithmetic number, because the mean of its divisors is an integer number (2887130844).

Almost surely, 2^11499170479 is an apocalyptic number.

11499170479 is a deficient number, since it is larger than the sum of its proper divisors (49352897).

11499170479 is an equidigital number, since it uses as much as digits as its factorization.

11499170479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49352896.

The product of its (nonzero) digits is 571536, while the sum is 52.

The spelling of 11499170479 in words is "eleven billion, four hundred ninety-nine million, one hundred seventy thousand, four hundred seventy-nine".