11139201 has 20 divisors (see below), whose sum is σ = 16801092. Its totient is φ = 7354368.

The previous prime is 11139179. The next prime is 11139203. The reversal of 11139201 is 10293111.

It can be written as a sum of positive squares in 2 ways, for example, as 1498176 + 9641025 = 1224^2 + 3105^2 .

It is a de Polignac number, because none of the positive numbers 2^k-11139201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11139203) 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 19 ways as a sum of consecutive naturals, for example, 8545 + ... + 9761.

Almost surely, 2^11139201 is an apocalyptic number.

It is an amenable number.

11139201 is a deficient number, since it is larger than the sum of its proper divisors (5661891).

11139201 is a wasteful number, since it uses less digits than its factorization.

11139201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342 (or 1333 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The square root of 11139201 is about 3337.5441570113. The cubic root of 11139201 is about 223.3322014249.

The spelling of 11139201 in words is "eleven million, one hundred thirty-nine thousand, two hundred one".