11525130 has 48 divisors (see below), whose sum is σ = 30784104. Its totient is φ = 2989440.

The previous prime is 11525117. The next prime is 11525159. The reversal of 11525130 is 3152511.

11525130 is a `hidden beast` number, since 1 + 152 + 513 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 9790641 + 1734489 = 3129^2 + 1317^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1600 + ... + 5060.

Almost surely, 2^11525130 is an apocalyptic number.

11525130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11525130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15392052).

11525130 is an abundant number, since it is smaller than the sum of its proper divisors (19258974).

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

11525130 is a wasteful number, since it uses less digits than its factorization.

11525130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3511 (or 3508 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 11525130 is about 3394.8681859536. The cubic root of 11525130 is about 225.8821663649.

Adding to 11525130 its reverse (3152511), we get a palindrome (14677641).

It can be divided in two parts, 1 and 1525130, that added together give a triangular number (1525131 = T₁₇₄₆).

The spelling of 11525130 in words is "eleven million, five hundred twenty-five thousand, one hundred thirty".