11280375 has 48 divisors (see below), whose sum is σ = 20961408. Its totient is φ = 5832000.

The previous prime is 11280341. The next prime is 11280377. The reversal of 11280375 is 57308211.

11280375 is a `hidden beast` number, since 11 + 280 + 375 = 666.

It is not a de Polignac number, because 11280375 - 2²⁰ = 10231799 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11280377) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41490 + ... + 41760.

It is an arithmetic number, because the mean of its divisors is an integer number (436696).

Almost surely, 2^11280375 is an apocalyptic number.

11280375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11280375 is a deficient number, since it is larger than the sum of its proper divisors (9681033).

11280375 is a wasteful number, since it uses less digits than its factorization.

11280375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 316 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 11280375 is about 3358.6269515979. The cubic root of 11280375 is about 224.2717193163.

Adding to 11280375 its reverse (57308211), we get a palindrome (68588586).

The spelling of 11280375 in words is "eleven million, two hundred eighty thousand, three hundred seventy-five".