11051240 has 32 divisors (see below), whose sum is σ = 25024680. Its totient is φ = 4392192.

The previous prime is 11051239. The next prime is 11051267. The reversal of 11051240 is 4215011.

It can be written as a sum of positive squares in 4 ways, for example, as 9498724 + 1552516 = 3082^2 + 1246^2 .

It is a congruent number.

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, 6122 + ... + 7718.

Almost surely, 2^11051240 is an apocalyptic number.

11051240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11051240 is an abundant number, since it is smaller than the sum of its proper divisors (13973440).

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

11051240 is a wasteful number, since it uses less digits than its factorization.

11051240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781 (or 1777 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 11051240 is about 3324.3405361064. The cubic root of 11051240 is about 222.7427977012.

Adding to 11051240 its reverse (4215011), we get a palindrome (15266251).

The spelling of 11051240 in words is "eleven million, fifty-one thousand, two hundred forty".