11505130 has 64 divisors (see below), whose sum is σ = 26127360. Its totient is φ = 3550464.

The previous prime is 11505121. The next prime is 11505157. The reversal of 11505130 is 3150511.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42636 + ... + 42904.

It is an arithmetic number, because the mean of its divisors is an integer number (408240).

Almost surely, 2^11505130 is an apocalyptic number.

11505130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11505130 is an abundant number, since it is smaller than the sum of its proper divisors (14622230).

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

11505130 is a wasteful number, since it uses less digits than its factorization.

11505130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343.

The product of its (nonzero) digits is 75, while the sum is 16.

The square root of 11505130 is about 3391.9212844640. The cubic root of 11505130 is about 225.7514300504.

Adding to 11505130 its reverse (3150511), we get a palindrome (14655641).

The spelling of 11505130 in words is "eleven million, five hundred five thousand, one hundred thirty".