11131522 has 16 divisors (see below), whose sum is σ = 17053632. Its totient is φ = 5448240.

The previous prime is 11131507. The next prime is 11131543. The reversal of 11131522 is 22513111.

It is a junction number, because it is equal to n+sod(n) for n = 11131496 and 11131505.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 39193 + ... + 39475.

It is an arithmetic number, because the mean of its divisors is an integer number (1065852).

Almost surely, 2^11131522 is an apocalyptic number.

11131522 is a deficient number, since it is larger than the sum of its proper divisors (5922110).

11131522 is a wasteful number, since it uses less digits than its factorization.

11131522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633.

The product of its digits is 60, while the sum is 16.

The square root of 11131522 is about 3336.3935619168. The cubic root of 11131522 is about 223.2808703284.

Adding to 11131522 its reverse (22513111), we get a palindrome (33644633).

The spelling of 11131522 in words is "eleven million, one hundred thirty-one thousand, five hundred twenty-two".