11511464 has 8 divisors (see below), whose sum is σ = 21584010. Its totient is φ = 5755728.

The previous prime is 11511457. The next prime is 11511469. The reversal of 11511464 is 46411511.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8655364 + 2856100 = 2942^2 + 1690^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (11511469) by changing a digit.

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 as a sum of consecutive naturals, namely, 719459 + ... + 719474.

Almost surely, 2^11511464 is an apocalyptic number.

It is an amenable number.

11511464 is a deficient number, since it is larger than the sum of its proper divisors (10072546).

11511464 is a wasteful number, since it uses less digits than its factorization.

11511464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438939 (or 1438935 counting only the distinct ones).

The product of its digits is 480, while the sum is 23.

The square root of 11511464 is about 3392.8548451120. The cubic root of 11511464 is about 225.7928506234.

Adding to 11511464 its reverse (46411511), we get a palindrome (57922975).

The spelling of 11511464 in words is "eleven million, five hundred eleven thousand, four hundred sixty-four".