11534242169 has 2 divisors, whose sum is σ = 11534242170. Its totient is φ = 11534242168.

The previous prime is 11534242121. The next prime is 11534242207. The reversal of 11534242169 is 96124243511.

It is an a-pointer prime, because the next prime (11534242207) can be obtained adding 11534242169 to its sum of digits (38).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6548046400 + 4986195769 = 80920^2 + 70613^2 .

It is a cyclic number.

It is not a de Polignac number, because 11534242169 - 2¹² = 11534238073 is a prime.

It is a super-2 number, since 2×11534242169² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11534542169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5767121084 + 5767121085.

It is an arithmetic number, because the mean of its divisors is an integer number (5767121085).

Almost surely, 2^11534242169 is an apocalyptic number.

It is an amenable number.

11534242169 is a deficient number, since it is larger than the sum of its proper divisors (1).

11534242169 is an equidigital number, since it uses as much as digits as its factorization.

11534242169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 38.

The spelling of 11534242169 in words is "eleven billion, five hundred thirty-four million, two hundred forty-two thousand, one hundred sixty-nine".