11152749 has 4 divisors (see below), whose sum is σ = 14870336. Its totient is φ = 7435164.

The previous prime is 11152741. The next prime is 11152789. The reversal of 11152749 is 94725111.

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 not a de Polignac number, because 11152749 - 2³ = 11152741 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 (11152741) 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 in 3 ways as a sum of consecutive naturals, for example, 1858789 + ... + 1858794.

It is an arithmetic number, because the mean of its divisors is an integer number (3717584).

Almost surely, 2^11152749 is an apocalyptic number.

It is an amenable number.

11152749 is a deficient number, since it is larger than the sum of its proper divisors (3717587).

11152749 is an equidigital number, since it uses as much as digits as its factorization.

11152749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3717586.

The product of its digits is 2520, while the sum is 30.

The square root of 11152749 is about 3339.5731763206. The cubic root of 11152749 is about 223.4227069835.

The spelling of 11152749 in words is "eleven million, one hundred fifty-two thousand, seven hundred forty-nine".