1266314611 has 8 divisors (see below), whose sum is σ = 1352102400. Its totient is φ = 1183087752.

The previous prime is 1266314593. The next prime is 1266314617. The reversal of 1266314611 is 1164136621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1266314611 - 2⁵ = 1266314579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1266314617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639211 + ... + 641188.

It is an arithmetic number, because the mean of its divisors is an integer number (169012800).

Almost surely, 2^1266314611 is an apocalyptic number.

1266314611 is a deficient number, since it is larger than the sum of its proper divisors (85787789).

1266314611 is a wasteful number, since it uses less digits than its factorization.

1266314611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280465.

The product of its digits is 5184, while the sum is 31.

The square root of 1266314611 is about 35585.3145412542. The cubic root of 1266314611 is about 1081.8836045117.

The spelling of 1266314611 in words is "one billion, two hundred sixty-six million, three hundred fourteen thousand, six hundred eleven".