11148965 has 4 divisors (see below), whose sum is σ = 13378764. Its totient is φ = 8919168.

The previous prime is 11148947. The next prime is 11148967. The reversal of 11148965 is 56984111.

11148965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56984111 = 233 ⋅244567.

It can be written as a sum of positive squares in 2 ways, for example, as 1705636 + 9443329 = 1306^2 + 3073^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11148965 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 (11148967) 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, 1114892 + ... + 1114901.

It is an arithmetic number, because the mean of its divisors is an integer number (3344691).

Almost surely, 2^11148965 is an apocalyptic number.

It is an amenable number.

11148965 is a deficient number, since it is larger than the sum of its proper divisors (2229799).

11148965 is an equidigital number, since it uses as much as digits as its factorization.

11148965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229798.

The product of its digits is 8640, while the sum is 35.

The square root of 11148965 is about 3339.0065887925. The cubic root of 11148965 is about 223.3974358701.

The spelling of 11148965 in words is "eleven million, one hundred forty-eight thousand, nine hundred sixty-five".