11168831 has 2 divisors, whose sum is σ = 11168832. Its totient is φ = 11168830.

The previous prime is 11168819. The next prime is 11168837. The reversal of 11168831 is 13886111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11168831 is a prime.

It is a super-2 number, since 2×11168831² = 249485571813122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11168794 and 11168803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11168837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5584415 + 5584416.

It is an arithmetic number, because the mean of its divisors is an integer number (5584416).

Almost surely, 2^11168831 is an apocalyptic number.

11168831 is a deficient number, since it is larger than the sum of its proper divisors (1).

11168831 is an equidigital number, since it uses as much as digits as its factorization.

11168831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 29.

The square root of 11168831 is about 3341.9801016763. The cubic root of 11168831 is about 223.5300454914.

The spelling of 11168831 in words is "eleven million, one hundred sixty-eight thousand, eight hundred thirty-one".