11291371 has 16 divisors (see below), whose sum is σ = 13999104. Its totient is φ = 8868384.

The previous prime is 11291333. The next prime is 11291381. The reversal of 11291371 is 17319211.

It is not a de Polignac number, because 11291371 - 2⁹ = 11290859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11291311) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 14826 + ... + 15568.

It is an arithmetic number, because the mean of its divisors is an integer number (874944).

Almost surely, 2^11291371 is an apocalyptic number.

11291371 is a deficient number, since it is larger than the sum of its proper divisors (2707733).

11291371 is a wasteful number, since it uses less digits than its factorization.

11291371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930.

The product of its digits is 378, while the sum is 25.

The square root of 11291371 is about 3360.2635313320. The cubic root of 11291371 is about 224.3445682819.

It can be divided in two parts, 1129 and 1371, that added together give a square (2500 = 50²).

The spelling of 11291371 in words is "eleven million, two hundred ninety-one thousand, three hundred seventy-one".