11503030 has 32 divisors (see below), whose sum is σ = 25816320. Its totient is φ = 3585120.

The previous prime is 11503021. The next prime is 11503039. The reversal of 11503030 is 3030511.

It is an interprime number because it is at equal distance from previous prime (11503021) and next prime (11503039).

11503030 is a modest number, since divided by 3030 gives 1150 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 11503030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11503039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6700 + ... + 8239.

It is an arithmetic number, because the mean of its divisors is an integer number (806760).

Almost surely, 2^11503030 is an apocalyptic number.

11503030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11503030 is an abundant number, since it is smaller than the sum of its proper divisors (14313290).

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

11503030 is a wasteful number, since it uses less digits than its factorization.

11503030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14964.

The product of its (nonzero) digits is 45, while the sum is 13.

The square root of 11503030 is about 3391.6117112665. The cubic root of 11503030 is about 225.7376939503.

Adding to 11503030 its reverse (3030511), we get a palindrome (14533541).

The spelling of 11503030 in words is "eleven million, five hundred three thousand, thirty".