11896365447 has 6 divisors (see below), whose sum is σ = 17183638992. Its totient is φ = 7930910292.

The previous prime is 11896365409. The next prime is 11896365479. The reversal of 11896365447 is 74456369811.

11896365447 is a `hidden beast` number, since 1 + 1 + 8 + 96 + 3 + 6 + 544 + 7 = 666.

It is not a de Polignac number, because 11896365447 - 2¹¹ = 11896363399 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11896365393 and 11896365402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11896369447) 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 5 ways as a sum of consecutive naturals, for example, 660909183 + ... + 660909200.

It is an arithmetic number, because the mean of its divisors is an integer number (2863939832).

Almost surely, 2^11896365447 is an apocalyptic number.

11896365447 is a deficient number, since it is larger than the sum of its proper divisors (5287273545).

11896365447 is a wasteful number, since it uses less digits than its factorization.

11896365447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321818389 (or 1321818386 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

It can be divided in two parts, 1189 and 6365447, that added together give a palindrome (6366636).

The spelling of 11896365447 in words is "eleven billion, eight hundred ninety-six million, three hundred sixty-five thousand, four hundred forty-seven".