11139522 has 16 divisors (see below), whose sum is σ = 23589792. Its totient is φ = 3494720.

The previous prime is 11139511. The next prime is 11139523. The reversal of 11139522 is 22593111.

It is a junction number, because it is equal to n+sod(n) for n = 11139492 and 11139501.

It is not an unprimeable number, because it can be changed into a prime (11139523) 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 7 ways as a sum of consecutive naturals, for example, 54504 + ... + 54707.

It is an arithmetic number, because the mean of its divisors is an integer number (1474362).

Almost surely, 2^11139522 is an apocalyptic number.

11139522 is an abundant number, since it is smaller than the sum of its proper divisors (12450270).

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

11139522 is a wasteful number, since it uses less digits than its factorization.

11139522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109233.

The product of its digits is 540, while the sum is 24.

The square root of 11139522 is about 3337.5922459162. The cubic root of 11139522 is about 223.3343466700.

The spelling of 11139522 in words is "eleven million, one hundred thirty-nine thousand, five hundred twenty-two".