11551130 has 16 divisors (see below), whose sum is σ = 20882664. Its totient is φ = 4600320.

The previous prime is 11551123. The next prime is 11551139. The reversal of 11551130 is 3115511.

It can be written as a sum of positive squares in 4 ways, for example, as 11363641 + 187489 = 3371^2 + 433^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11551099 and 11551108.

It is not an unprimeable number, because it can be changed into a prime (11551139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14 + ... + 4806.

Almost surely, 2^11551130 is an apocalyptic number.

11551130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11551130 is a deficient number, since it is larger than the sum of its proper divisors (9331534).

11551130 is a wasteful number, since it uses less digits than its factorization.

11551130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5041.

The product of its (nonzero) digits is 75, while the sum is 17.

The square root of 11551130 is about 3398.6953379201. The cubic root of 11551130 is about 226.0518976542.

Adding to 11551130 its reverse (3115511), we get a palindrome (14666641).

The spelling of 11551130 in words is "eleven million, five hundred fifty-one thousand, one hundred thirty".