11161016230631 has 2 divisors, whose sum is σ = 11161016230632. Its totient is φ = 11161016230630.

The previous prime is 11161016230603. The next prime is 11161016230657. The reversal of 11161016230631 is 13603261016111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11161016230631 is a prime.

It is a super-2 number, since 2×11161016230631² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11161016830631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5580508115315 + 5580508115316.

It is an arithmetic number, because the mean of its divisors is an integer number (5580508115316).

Almost surely, 2^{11161016230631} is an apocalyptic number.

11161016230631 is a deficient number, since it is larger than the sum of its proper divisors (1).

11161016230631 is an equidigital number, since it uses as much as digits as its factorization.

11161016230631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 32.

Adding to 11161016230631 its reverse (13603261016111), we get a palindrome (24764277246742).

The spelling of 11161016230631 in words is "eleven trillion, one hundred sixty-one billion, sixteen million, two hundred thirty thousand, six hundred thirty-one".