11312112269 has 2 divisors, whose sum is σ = 11312112270. Its totient is φ = 11312112268.

The previous prime is 11312112199. The next prime is 11312112281. The reversal of 11312112269 is 96221121311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11204222500 + 107889769 = 105850^2 + 10387^2 .

It is a cyclic number.

It is not a de Polignac number, because 11312112269 - 2⁸ = 11312112013 is a prime.

It is a super-2 number, since 2×11312112269² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11312112769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5656056134 + 5656056135.

It is an arithmetic number, because the mean of its divisors is an integer number (5656056135).

Almost surely, 2^11312112269 is an apocalyptic number.

It is an amenable number.

11312112269 is a deficient number, since it is larger than the sum of its proper divisors (1).

11312112269 is an equidigital number, since it uses as much as digits as its factorization.

11312112269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 29.

The spelling of 11312112269 in words is "eleven billion, three hundred twelve million, one hundred twelve thousand, two hundred sixty-nine".