11768531 has 2 divisors, whose sum is σ = 11768532. Its totient is φ = 11768530.

The previous prime is 11768521. The next prime is 11768557. The reversal of 11768531 is 13586711.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11768531 is a prime.

It is a super-2 number, since 2×11768531² = 276996643795922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11768521) 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, 5884265 + 5884266.

It is an arithmetic number, because the mean of its divisors is an integer number (5884266).

Almost surely, 2^11768531 is an apocalyptic number.

11768531 is a deficient number, since it is larger than the sum of its proper divisors (1).

11768531 is an equidigital number, since it uses as much as digits as its factorization.

11768531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 32.

The square root of 11768531 is about 3430.5292594584. The cubic root of 11768531 is about 227.4612484815.

The spelling of 11768531 in words is "eleven million, seven hundred sixty-eight thousand, five hundred thirty-one".