11491150 has 48 divisors (see below), whose sum is σ = 24708240. Its totient is φ = 3929600.

The previous prime is 11491097. The next prime is 11491153. The reversal of 11491150 is 5119411.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11491153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8736 + ... + 9964.

It is an arithmetic number, because the mean of its divisors is an integer number (514755).

Almost surely, 2^11491150 is an apocalyptic number.

11491150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11491150 is an abundant number, since it is smaller than the sum of its proper divisors (13217090).

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

11491150 is a wasteful number, since it uses less digits than its factorization.

11491150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269 (or 1264 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 22.

The square root of 11491150 is about 3389.8598791100. The cubic root of 11491150 is about 225.6599553733.

The spelling of 11491150 in words is "eleven million, four hundred ninety-one thousand, one hundred fifty".