11277945704639 has 4 divisors (see below), whose sum is σ = 11303991769056. Its totient is φ = 11251899640224.

The previous prime is 11277945704633. The next prime is 11277945704747. The reversal of 11277945704639 is 93640754977211.

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

It is a cyclic number.

It is not a de Polignac number, because 11277945704639 - 2²⁰ = 11277944656063 is a prime.

It is a super-2 number, since 2×11277945704639² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11277945704633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13023031559 + ... + 13023032424.

It is an arithmetic number, because the mean of its divisors is an integer number (2825997942264).

Almost surely, 2^{11277945704639} is an apocalyptic number.

11277945704639 is a deficient number, since it is larger than the sum of its proper divisors (26046064417).

11277945704639 is an equidigital number, since it uses as much as digits as its factorization.

11277945704639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26046064416.

The product of its (nonzero) digits is 80015040, while the sum is 65.

The spelling of 11277945704639 in words is "eleven trillion, two hundred seventy-seven billion, nine hundred forty-five million, seven hundred four thousand, six hundred thirty-nine".