11042647055 has 32 divisors (see below), whose sum is σ = 14872673088. Its totient is φ = 7801139200.

The previous prime is 11042647037. The next prime is 11042647067. The reversal of 11042647055 is 55074624011.

It is a Cunningham number, because it is equal to 105084²-1.

It is not a de Polignac number, because 11042647055 - 2⁸ = 11042646799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 514907 + ... + 535923.

It is an arithmetic number, because the mean of its divisors is an integer number (464771034).

Almost surely, 2^11042647055 is an apocalyptic number.

11042647055 is a deficient number, since it is larger than the sum of its proper divisors (3830026033).

11042647055 is a wasteful number, since it uses less digits than its factorization.

11042647055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21307.

The product of its (nonzero) digits is 33600, while the sum is 35.

The spelling of 11042647055 in words is "eleven billion, forty-two million, six hundred forty-seven thousand, fifty-five".