11142331169 has 2 divisors, whose sum is σ = 11142331170. Its totient is φ = 11142331168.

The previous prime is 11142331159. The next prime is 11142331261. The reversal of 11142331169 is 96113324111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11106630544 + 35700625 = 105388^2 + 5975^2 .

It is a cyclic number.

It is not a de Polignac number, because 11142331169 - 2²⁸ = 10873895713 is a prime.

It is a super-2 number, since 2×11142331169² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11142331159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5571165584 + 5571165585.

It is an arithmetic number, because the mean of its divisors is an integer number (5571165585).

Almost surely, 2^11142331169 is an apocalyptic number.

It is an amenable number.

11142331169 is a deficient number, since it is larger than the sum of its proper divisors (1).

11142331169 is an equidigital number, since it uses as much as digits as its factorization.

11142331169 is an evil number, because the sum of its binary digits is even.

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

The spelling of 11142331169 in words is "eleven billion, one hundred forty-two million, three hundred thirty-one thousand, one hundred sixty-nine".