11266771065 has 64 divisors (see below), whose sum is σ = 20110712832. Its totient is φ = 5340153600.

The previous prime is 11266771057. The next prime is 11266771079. The reversal of 11266771065 is 56017766211.

It is not a de Polignac number, because 11266771065 - 2³ = 11266771057 is a prime.

It is a super-2 number, since 2×11266771065² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1677504 + ... + 1684206.

It is an arithmetic number, because the mean of its divisors is an integer number (314229888).

Almost surely, 2^11266771065 is an apocalyptic number.

11266771065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11266771065 is a deficient number, since it is larger than the sum of its proper divisors (8843941767).

11266771065 is a wasteful number, since it uses less digits than its factorization.

11266771065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6950.

The product of its (nonzero) digits is 105840, while the sum is 42.

The spelling of 11266771065 in words is "eleven billion, two hundred sixty-six million, seven hundred seventy-one thousand, sixty-five".