11345266279 has 2 divisors, whose sum is σ = 11345266280. Its totient is φ = 11345266278.

The previous prime is 11345266271. The next prime is 11345266297. The reversal of 11345266279 is 97266254311.

It is a happy number.

Together with next prime (11345266297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11345266279 - 2³ = 11345266271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11345266271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5672633139 + 5672633140.

It is an arithmetic number, because the mean of its divisors is an integer number (5672633140).

Almost surely, 2^11345266279 is an apocalyptic number.

11345266279 is a deficient number, since it is larger than the sum of its proper divisors (1).

11345266279 is an equidigital number, since it uses as much as digits as its factorization.

11345266279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 46.

It can be divided in two parts, 1134526 and 6279, that added together give a triangular number (1140805 = T₁₅₁₀).

The spelling of 11345266279 in words is "eleven billion, three hundred forty-five million, two hundred sixty-six thousand, two hundred seventy-nine".