11250090 has 160 divisors (see below), whose sum is σ = 34499520. Its totient is φ = 2612736.

The previous prime is 11250089. The next prime is 11250101. The reversal of 11250090 is 9005211.

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

It is a congruent number.

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 79 ways as a sum of consecutive naturals, for example, 261609 + ... + 261651.

It is an arithmetic number, because the mean of its divisors is an integer number (215622).

Almost surely, 2^11250090 is an apocalyptic number.

11250090 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 11250090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17249760).

11250090 is an abundant number, since it is smaller than the sum of its proper divisors (23249430).

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

11250090 is a wasteful number, since it uses less digits than its factorization.

11250090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 11250090 is about 3354.1153826307. The cubic root of 11250090 is about 224.0708348469.

The spelling of 11250090 in words is "eleven million, two hundred fifty thousand, ninety".