11150640 has 120 divisors (see below), whose sum is σ = 39693888. Its totient is φ = 2795520.

The previous prime is 11150639. The next prime is 11150651. The reversal of 11150640 is 4605111.

11150640 is a `hidden beast` number, since 11 + 15 + 0 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11785 + ... + 12695.

Almost surely, 2^11150640 is an apocalyptic number.

11150640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11150640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19846944).

11150640 is an abundant number, since it is smaller than the sum of its proper divisors (28543248).

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

11150640 is a wasteful number, since it uses less digits than its factorization.

11150640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947 (or 938 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 11150640 is about 3339.2574024774. The cubic root of 11150640 is about 223.4086229165.

Adding to 11150640 its reverse (4605111), we get a palindrome (15755751).

The spelling of 11150640 in words is "eleven million, one hundred fifty thousand, six hundred forty".