11131407 has 24 divisors (see below), whose sum is σ = 18555680. Its totient is φ = 6298560.

The previous prime is 11131391. The next prime is 11131409. The reversal of 11131407 is 70413111.

It is not a de Polignac number, because 11131407 - 2⁴ = 11131391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11131407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131409) 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 23 ways as a sum of consecutive naturals, for example, 6057 + ... + 7677.

Almost surely, 2^11131407 is an apocalyptic number.

11131407 is a deficient number, since it is larger than the sum of its proper divisors (7424273).

11131407 is a wasteful number, since it uses less digits than its factorization.

11131407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743 (or 1740 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 11131407 is about 3336.3763276945. The cubic root of 11131407 is about 223.2801014192.

Adding to 11131407 its reverse (70413111), we get a palindrome (81544518).

The spelling of 11131407 in words is "eleven million, one hundred thirty-one thousand, four hundred seven".