11315321149 has 4 divisors (see below), whose sum is σ = 12343986720. Its totient is φ = 10286655580.

The previous prime is 11315321137. The next prime is 11315321177. The reversal of 11315321149 is 94112351311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11315321149 - 2⁵ = 11315321117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11315321149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11315321189) 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, 514332769 + ... + 514332790.

It is an arithmetic number, because the mean of its divisors is an integer number (3085996680).

Almost surely, 2^11315321149 is an apocalyptic number.

It is an amenable number.

11315321149 is a deficient number, since it is larger than the sum of its proper divisors (1028665571).

11315321149 is a wasteful number, since it uses less digits than its factorization.

11315321149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028665570.

The product of its digits is 3240, while the sum is 31.

The spelling of 11315321149 in words is "eleven billion, three hundred fifteen million, three hundred twenty-one thousand, one hundred forty-nine".