11614311505 has 4 divisors (see below), whose sum is σ = 13937173812. Its totient is φ = 9291449200.

The previous prime is 11614311491. The next prime is 11614311521. The reversal of 11614311505 is 50511341611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50511341611 = 18433 ⋅2740267.

It can be written as a sum of positive squares in 2 ways, for example, as 7874255169 + 3740056336 = 88737^2 + 61156^2 .

It is not a de Polignac number, because 11614311505 - 2⁹ = 11614310993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1161431146 + ... + 1161431155.

It is an arithmetic number, because the mean of its divisors is an integer number (3484293453).

Almost surely, 2^11614311505 is an apocalyptic number.

It is an amenable number.

11614311505 is a deficient number, since it is larger than the sum of its proper divisors (2322862307).

11614311505 is an equidigital number, since it uses as much as digits as its factorization.

11614311505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2322862306.

The product of its (nonzero) digits is 1800, while the sum is 28.

The spelling of 11614311505 in words is "eleven billion, six hundred fourteen million, three hundred eleven thousand, five hundred five".