11479871457 has 12 divisors (see below), whose sum is σ = 16595522944. Its totient is φ = 7647023160.

The previous prime is 11479871399. The next prime is 11479871477. The reversal of 11479871457 is 75417897411.

11479871457 is a `hidden beast` number, since 114 + 7 + 9 + 8 + 71 + 457 = 666.

11479871457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11479871457 - 2⁷ = 11479871329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11479871477) 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 11 ways as a sum of consecutive naturals, for example, 507013 + ... + 529170.

Almost surely, 2^11479871457 is an apocalyptic number.

It is an amenable number.

11479871457 is a deficient number, since it is larger than the sum of its proper divisors (5115651487).

11479871457 is a wasteful number, since it uses less digits than its factorization.

11479871457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037420 (or 1037417 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 54.

The spelling of 11479871457 in words is "eleven billion, four hundred seventy-nine million, eight hundred seventy-one thousand, four hundred fifty-seven".