11475005647 has 16 divisors (see below), whose sum is σ = 13888737792. Its totient is φ = 9267651360.

The previous prime is 11475005603. The next prime is 11475005657. The reversal of 11475005647 is 74650057411.

It is a cyclic number.

It is not a de Polignac number, because 11475005647 - 2²⁷ = 11340787919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11475005657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521104 + ... + 542677.

It is an arithmetic number, because the mean of its divisors is an integer number (868046112).

Almost surely, 2^11475005647 is an apocalyptic number.

11475005647 is a deficient number, since it is larger than the sum of its proper divisors (2413732145).

11475005647 is a wasteful number, since it uses less digits than its factorization.

11475005647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063878.

The product of its (nonzero) digits is 117600, while the sum is 40.

The spelling of 11475005647 in words is "eleven billion, four hundred seventy-five million, five thousand, six hundred forty-seven".