11525490 has 128 divisors (see below), whose sum is σ = 34007040. Its totient is φ = 2799360.

The previous prime is 11525489. The next prime is 11525491. The reversal of 11525490 is 9452511.

11525490 is a `hidden beast` number, since 115 + 2 + 549 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (11525489) and next prime (11525491).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11525491) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 371775 + ... + 371805.

It is an arithmetic number, because the mean of its divisors is an integer number (265680).

It is a vampire number, since it can be written as 2511 ⋅ 4590 (with its own digits).

Almost surely, 2^11525490 is an apocalyptic number.

11525490 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 11525490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17003520).

11525490 is an abundant number, since it is smaller than the sum of its proper divisors (22481550).

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

11525490 is an equidigital number, since it uses as much as digits as its factorization.

11525490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 11525490 is about 3394.9212067440. The cubic root of 11525490 is about 225.8845182323.

The spelling of 11525490 in words is "eleven million, five hundred twenty-five thousand, four hundred ninety".