11280552 has 32 divisors (see below), whose sum is σ = 28291680. Its totient is φ = 3748160.

The previous prime is 11280527. The next prime is 11280569. The reversal of 11280552 is 25508211.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10102 + ... + 11162.

It is an arithmetic number, because the mean of its divisors is an integer number (884115).

Almost surely, 2^11280552 is an apocalyptic number.

11280552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11280552 is an abundant number, since it is smaller than the sum of its proper divisors (17011128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11280552 is a wasteful number, since it uses less digits than its factorization.

11280552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513 (or 1509 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 11280552 is about 3358.6533015481. The cubic root of 11280552 is about 224.2728923236.

Adding to 11280552 its reverse (25508211), we get a palindrome (36788763).

The spelling of 11280552 in words is "eleven million, two hundred eighty thousand, five hundred fifty-two".