11311402117 has 2 divisors, whose sum is σ = 11311402118. Its totient is φ = 11311402116.

The previous prime is 11311402073. The next prime is 11311402159. The reversal of 11311402117 is 71120411311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10348789441 + 962612676 = 101729^2 + 31026^2 .

It is a cyclic number.

It is not a de Polignac number, because 11311402117 - 2⁷ = 11311401989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11311409117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5655701058 + 5655701059.

It is an arithmetic number, because the mean of its divisors is an integer number (5655701059).

Almost surely, 2^11311402117 is an apocalyptic number.

It is an amenable number.

11311402117 is a deficient number, since it is larger than the sum of its proper divisors (1).

11311402117 is an equidigital number, since it uses as much as digits as its factorization.

11311402117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 22.

Adding to 11311402117 its reverse (71120411311), we get a palindrome (82431813428).

The spelling of 11311402117 in words is "eleven billion, three hundred eleven million, four hundred two thousand, one hundred seventeen".