4011216631 has 2 divisors, whose sum is σ = 4011216632. Its totient is φ = 4011216630.

The previous prime is 4011216617. The next prime is 4011216637. The reversal of 4011216631 is 1366121104.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4011216631 is a prime.

It is a super-2 number, since 2×4011216631² = 32179717721621980322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4011216596 and 4011216605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4011216637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2005608315 + 2005608316.

It is an arithmetic number, because the mean of its divisors is an integer number (2005608316).

Almost surely, 2^4011216631 is an apocalyptic number.

4011216631 is a deficient number, since it is larger than the sum of its proper divisors (1).

4011216631 is an equidigital number, since it uses as much as digits as its factorization.

4011216631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 4011216631 is about 63334.1663796090. The cubic root of 4011216631 is about 1588.8834415331.

Adding to 4011216631 its reverse (1366121104), we get a palindrome (5377337735).

The spelling of 4011216631 in words is "four billion, eleven million, two hundred sixteen thousand, six hundred thirty-one".