11251250 has 20 divisors (see below), whose sum is σ = 21091686. Its totient is φ = 4500000.

The previous prime is 11251213. The next prime is 11251277. The reversal of 11251250 is 5215211.

It can be written as a sum of positive squares in 5 ways, for example, as 48841 + 11202409 = 221^2 + 3347^2 .

It is a super-3 number, since 3×11251250³ (a number of 22 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (17) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 3251 + ... + 5750.

Almost surely, 2^11251250 is an apocalyptic number.

11251250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11251250 is a deficient number, since it is larger than the sum of its proper divisors (9840436).

11251250 is an frugal number, since it uses more digits than its factorization.

11251250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9023 (or 9008 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 11251250 is about 3354.2883000720. The cubic root of 11251250 is about 224.0785359182.

Adding to 11251250 its reverse (5215211), we get a palindrome (16466461).

The spelling of 11251250 in words is "eleven million, two hundred fifty-one thousand, two hundred fifty".