11291049 has 32 divisors (see below), whose sum is σ = 20858880. Its totient is φ = 5864400.

The previous prime is 11291029. The next prime is 11291051. The reversal of 11291049 is 94019211.

It is not a de Polignac number, because 11291049 - 2⁵ = 11291017 is a prime.

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 (11291029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 637 + ... + 4794.

It is an arithmetic number, because the mean of its divisors is an integer number (651840).

Almost surely, 2^11291049 is an apocalyptic number.

It is an amenable number.

11291049 is a deficient number, since it is larger than the sum of its proper divisors (9567831).

11291049 is a wasteful number, since it uses less digits than its factorization.

11291049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5458 (or 5452 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 11291049 is about 3360.2156180817. The cubic root of 11291049 is about 224.3424356907.

The spelling of 11291049 in words is "eleven million, two hundred ninety-one thousand, forty-nine".