11247151 has 4 divisors (see below), whose sum is σ = 11389600. Its totient is φ = 11104704.

The previous prime is 11247133. The next prime is 11247167. The reversal of 11247151 is 15174211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11247151 - 2¹⁵ = 11214383 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 (11247121) 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, 71106 + ... + 71263.

It is an arithmetic number, because the mean of its divisors is an integer number (2847400).

Almost surely, 2^11247151 is an apocalyptic number.

11247151 is a deficient number, since it is larger than the sum of its proper divisors (142449).

11247151 is an equidigital number, since it uses as much as digits as its factorization.

11247151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142448.

The product of its digits is 280, while the sum is 22.

The square root of 11247151 is about 3353.6772355133. The cubic root of 11247151 is about 224.0513208834.

The spelling of 11247151 in words is "eleven million, two hundred forty-seven thousand, one hundred fifty-one".