11839776481 has 6 divisors (see below), whose sum is σ = 12820586550. Its totient is φ = 10929024288.

The previous prime is 11839776461. The next prime is 11839776523. The reversal of 11839776481 is 18467793811.

It can be written as a sum of positive squares in 3 ways, for example, as 149842081 + 11689934400 = 12241^2 + 108120^2 .

It is not a de Polignac number, because 11839776481 - 2³¹ = 9692292833 is a prime.

It is a super-2 number, since 2×11839776481² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11839776461) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35028756 + ... + 35029093.

It is an arithmetic number, because the mean of its divisors is an integer number (2136764425).

Almost surely, 2^11839776481 is an apocalyptic number.

It is an amenable number.

11839776481 is a deficient number, since it is larger than the sum of its proper divisors (980810069).

11839776481 is an equidigital number, since it uses as much as digits as its factorization.

11839776481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70057875 (or 70057862 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 55.

The spelling of 11839776481 in words is "eleven billion, eight hundred thirty-nine million, seven hundred seventy-six thousand, four hundred eighty-one".