11512801 has 4 divisors (see below), whose sum is σ = 11520000. Its totient is φ = 11505604.

The previous prime is 11512789. The next prime is 11512817. The reversal of 11512801 is 10821511.

It is a happy number.

11512801 is a nontrivial binomial coefficient, being equal to C(4799, 2).

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 10821511 = 31 ⋅349081.

It is not a de Polignac number, because 11512801 - 2⁵ = 11512769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11512861) 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, 1 + ... + 4798.

It is an arithmetic number, because the mean of its divisors is an integer number (2880000).

Almost surely, 2^11512801 is an apocalyptic number.

11512801 is the 4798-th triangular number.

11512801 is the 1600-th centered nonagonal number.

It is an amenable number.

11512801 is a deficient number, since it is larger than the sum of its proper divisors (7199).

11512801 is an equidigital number, since it uses as much as digits as its factorization.

11512801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7198.

The product of its (nonzero) digits is 80, while the sum is 19.

The square root of 11512801 is about 3393.0518711037. The cubic root of 11512801 is about 225.8015918618.

The spelling of 11512801 in words is "eleven million, five hundred twelve thousand, eight hundred one".