11365126249 has 2 divisors, whose sum is σ = 11365126250. Its totient is φ = 11365126248.

The previous prime is 11365126211. The next prime is 11365126261. The reversal of 11365126249 is 94262156311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11243421225 + 121705024 = 106035^2 + 11032^2 .

It is a cyclic number.

It is not a de Polignac number, because 11365126249 - 2⁷ = 11365126121 is a prime.

It is not a weakly prime, because it can be changed into another prime (11365129249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5682563124 + 5682563125.

It is an arithmetic number, because the mean of its divisors is an integer number (5682563125).

Almost surely, 2^11365126249 is an apocalyptic number.

It is an amenable number.

11365126249 is a deficient number, since it is larger than the sum of its proper divisors (1).

11365126249 is an equidigital number, since it uses as much as digits as its factorization.

11365126249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 40.

It can be divided in two parts, 1136512 and 6249, that added together give a square (1142761 = 1069²).

The spelling of 11365126249 in words is "eleven billion, three hundred sixty-five million, one hundred twenty-six thousand, two hundred forty-nine".