11645480847 has 128 divisors (see below), whose sum is σ = 21326118912. Its totient is φ = 5457715200.

The previous prime is 11645480839. The next prime is 11645480857. The reversal of 11645480847 is 74808454611.

It is not a de Polignac number, because 11645480847 - 2³ = 11645480839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11645480796 and 11645480805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11645480807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 41149968 + ... + 41150250.

It is an arithmetic number, because the mean of its divisors is an integer number (166610304).

Almost surely, 2^11645480847 is an apocalyptic number.

11645480847 is a deficient number, since it is larger than the sum of its proper divisors (9680638065).

11645480847 is a wasteful number, since it uses less digits than its factorization.

11645480847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581.

The product of its (nonzero) digits is 860160, while the sum is 48.

The spelling of 11645480847 in words is "eleven billion, six hundred forty-five million, four hundred eighty thousand, eight hundred forty-seven".