11284551 has 6 divisors (see below), whose sum is σ = 16299920. Its totient is φ = 7523028.

The previous prime is 11284543. The next prime is 11284571. The reversal of 11284551 is 15548211.

It is not a de Polignac number, because 11284551 - 2³ = 11284543 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 (11284531) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 626911 + ... + 626928.

Almost surely, 2^11284551 is an apocalyptic number.

11284551 is a deficient number, since it is larger than the sum of its proper divisors (5015369).

11284551 is a wasteful number, since it uses less digits than its factorization.

11284551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253845 (or 1253842 counting only the distinct ones).

The product of its digits is 1600, while the sum is 27.

The square root of 11284551 is about 3359.2485766909. The cubic root of 11284551 is about 224.2993910664.

It can be divided in two parts, 112845 and 51, that added together give a square (112896 = 336²).

The spelling of 11284551 in words is "eleven million, two hundred eighty-four thousand, five hundred fifty-one".