11579831 has 2 divisors, whose sum is σ = 11579832. Its totient is φ = 11579830.

The previous prime is 11579803. The next prime is 11579851. The reversal of 11579831 is 13897511.

It is a strong prime.

It is an emirp because it is prime and its reverse (13897511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11579831 - 2⁶ = 11579767 is a prime.

It is a super-2 number, since 2×11579831² = 268184971977122, which 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 = 11579791 and 11579800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11579801) 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 as a sum of consecutive naturals, namely, 5789915 + 5789916.

It is an arithmetic number, because the mean of its divisors is an integer number (5789916).

Almost surely, 2^11579831 is an apocalyptic number.

11579831 is a deficient number, since it is larger than the sum of its proper divisors (1).

11579831 is an equidigital number, since it uses as much as digits as its factorization.

11579831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 35.

The square root of 11579831 is about 3402.9150738742. The cubic root of 11579831 is about 226.2389659159.

The spelling of 11579831 in words is "eleven million, five hundred seventy-nine thousand, eight hundred thirty-one".