11007131 has 4 divisors (see below), whose sum is σ = 11044992. Its totient is φ = 10969272.

The previous prime is 11007127. The next prime is 11007151. The reversal of 11007131 is 13170011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11007131 - 2² = 11007127 is a prime.

It is a super-2 number, since 2×11007131² = 242313865702322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11007121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18491 + ... + 19076.

It is an arithmetic number, because the mean of its divisors is an integer number (2761248).

Almost surely, 2^11007131 is an apocalyptic number.

11007131 is a deficient number, since it is larger than the sum of its proper divisors (37861).

11007131 is an equidigital number, since it uses as much as digits as its factorization.

11007131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37860.

The product of its (nonzero) digits is 21, while the sum is 14.

The square root of 11007131 is about 3317.6996548814. The cubic root of 11007131 is about 222.4460568637.

Adding to 11007131 its reverse (13170011), we get a palindrome (24177142).

The spelling of 11007131 in words is "eleven million, seven thousand, one hundred thirty-one".