11478014469 has 8 divisors (see below), whose sum is σ = 17004465920. Its totient is φ = 7652009628.

The previous prime is 11478014453. The next prime is 11478014477. The reversal of 11478014469 is 96441087411.

11478014469 is a `hidden beast` number, since 114 + 78 + 0 + 1 + 4 + 469 = 666.

It is not a de Polignac number, because 11478014469 - 2⁴ = 11478014453 is a prime.

It is a super-2 number, since 2×11478014469² (a number of 21 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 (11478014069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212555797 + ... + 212555850.

It is an arithmetic number, because the mean of its divisors is an integer number (2125558240).

Almost surely, 2^11478014469 is an apocalyptic number.

It is an amenable number.

11478014469 is a deficient number, since it is larger than the sum of its proper divisors (5526451451).

11478014469 is an equidigital number, since it uses as much as digits as its factorization.

11478014469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425111656 (or 425111650 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 11478014469 in words is "eleven billion, four hundred seventy-eight million, fourteen thousand, four hundred sixty-nine".