11277959065 has 4 divisors (see below), whose sum is σ = 13533550884. Its totient is φ = 9022367248.

The previous prime is 11277959059. The next prime is 11277959087. The reversal of 11277959065 is 56095977211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8455905936 + 2822053129 = 91956^2 + 53123^2 .

It is a cyclic number.

It is not a de Polignac number, because 11277959065 - 2²¹ = 11275861913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1127795902 + ... + 1127795911.

It is an arithmetic number, because the mean of its divisors is an integer number (3383387721).

Almost surely, 2^11277959065 is an apocalyptic number.

It is an amenable number.

11277959065 is a deficient number, since it is larger than the sum of its proper divisors (2255591819).

11277959065 is an equidigital number, since it uses as much as digits as its factorization.

11277959065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255591818.

The product of its (nonzero) digits is 1190700, while the sum is 52.

The spelling of 11277959065 in words is "eleven billion, two hundred seventy-seven million, nine hundred fifty-nine thousand, sixty-five".