11479871477 has 2 divisors, whose sum is σ = 11479871478. Its totient is φ = 11479871476.

The previous prime is 11479871399. The next prime is 11479871509. The reversal of 11479871477 is 77417897411.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11123077156 + 356794321 = 105466^2 + 18889^2 .

It is an emirp because it is prime and its reverse (77417897411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11479871477 - 2¹⁸ = 11479609333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11479871177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5739935738 + 5739935739.

It is an arithmetic number, because the mean of its divisors is an integer number (5739935739).

Almost surely, 2^11479871477 is an apocalyptic number.

It is an amenable number.

11479871477 is a deficient number, since it is larger than the sum of its proper divisors (1).

11479871477 is an equidigital number, since it uses as much as digits as its factorization.

11479871477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2765952, while the sum is 56.

The spelling of 11479871477 in words is "eleven billion, four hundred seventy-nine million, eight hundred seventy-one thousand, four hundred seventy-seven".