11516530 has 8 divisors (see below), whose sum is σ = 20729772. Its totient is φ = 4606608.

The previous prime is 11516521. The next prime is 11516539. The reversal of 11516530 is 3561511.

It is an interprime number because it is at equal distance from previous prime (11516521) and next prime (11516539).

It can be written as a sum of positive squares in 2 ways, for example, as 10478169 + 1038361 = 3237^2 + 1019^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11516539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 575817 + ... + 575836.

Almost surely, 2^11516530 is an apocalyptic number.

11516530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11516530 is a deficient number, since it is larger than the sum of its proper divisors (9213242).

11516530 is a wasteful number, since it uses less digits than its factorization.

11516530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151660.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 11516530 is about 3393.6013319186. The cubic root of 11516530 is about 225.8259682999.

The spelling of 11516530 in words is "eleven million, five hundred sixteen thousand, five hundred thirty".