11107549331 has 2 divisors, whose sum is σ = 11107549332. Its totient is φ = 11107549330.

The previous prime is 11107549307. The next prime is 11107549441. The reversal of 11107549331 is 13394570111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11107549331 is a prime.

It is a super-2 number, since 2×11107549331² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 11107549291 and 11107549300.

It is not a weakly prime, because it can be changed into another prime (11107549931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5553774665 + 5553774666.

It is an arithmetic number, because the mean of its divisors is an integer number (5553774666).

Almost surely, 2^11107549331 is an apocalyptic number.

11107549331 is a deficient number, since it is larger than the sum of its proper divisors (1).

11107549331 is an equidigital number, since it uses as much as digits as its factorization.

11107549331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 35.

The spelling of 11107549331 in words is "eleven billion, one hundred seven million, five hundred forty-nine thousand, three hundred thirty-one".