11151530 has 16 divisors (see below), whose sum is σ = 21617064. Its totient is φ = 4117440.

The previous prime is 11151529. The next prime is 11151557. The reversal of 11151530 is 3515111.

11151530 is nontrivially palindromic in base 4.

It can be written as a sum of positive squares in 4 ways, for example, as 9406489 + 1745041 = 3067^2 + 1321^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11151499 and 11151508.

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, 42761 + ... + 43020.

Almost surely, 2^11151530 is an apocalyptic number.

11151530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11151530 is a deficient number, since it is larger than the sum of its proper divisors (10465534).

11151530 is a wasteful number, since it uses less digits than its factorization.

11151530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85801.

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

The square root of 11151530 is about 3339.3906629803. The cubic root of 11151530 is about 223.4145666227.

Adding to 11151530 its reverse (3515111), we get a palindrome (14666641).

The spelling of 11151530 in words is "eleven million, one hundred fifty-one thousand, five hundred thirty".