11277397841 has 4 divisors (see below), whose sum is σ = 11284205412. Its totient is φ = 11270590272.

The previous prime is 11277397811. The next prime is 11277397871. The reversal of 11277397841 is 14879377211.

11277397841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14879377211 = 17 ⋅875257483.

It is an interprime number because it is at equal distance from previous prime (11277397811) and next prime (11277397871).

It can be written as a sum of positive squares in 2 ways, for example, as 7881888400 + 3395509441 = 88780^2 + 58271^2 .

It is a cyclic number.

It is not a de Polignac number, because 11277397841 - 2⁶ = 11277397777 is a prime.

It is a super-2 number, since 2×11277397841² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11277397841.

It is not an unprimeable number, because it can be changed into a prime (11277397811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3401300 + ... + 3404613.

It is an arithmetic number, because the mean of its divisors is an integer number (2821051353).

Almost surely, 2^11277397841 is an apocalyptic number.

It is an amenable number.

11277397841 is a deficient number, since it is larger than the sum of its proper divisors (6807571).

11277397841 is an equidigital number, since it uses as much as digits as its factorization.

11277397841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6807570.

The product of its digits is 592704, while the sum is 50.

The spelling of 11277397841 in words is "eleven billion, two hundred seventy-seven million, three hundred ninety-seven thousand, eight hundred forty-one".