1266414013903 has 16 divisors (see below), whose sum is σ = 1278842425344. Its totient is φ = 1254026491200.

The previous prime is 1266414013889. The next prime is 1266414013933. The reversal of 1266414013903 is 3093104146621.

It is a cyclic number.

It is not a de Polignac number, because 1266414013903 - 2⁵ = 1266414013871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1266414013933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167135451 + ... + 167143027.

It is an arithmetic number, because the mean of its divisors is an integer number (79927651584).

Almost surely, 2^{1266414013903} is an apocalyptic number.

1266414013903 is a deficient number, since it is larger than the sum of its proper divisors (12428411441).

1266414013903 is a wasteful number, since it uses less digits than its factorization.

1266414013903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10062.

The product of its (nonzero) digits is 93312, while the sum is 40.

The spelling of 1266414013903 in words is "one trillion, two hundred sixty-six billion, four hundred fourteen million, thirteen thousand, nine hundred three".